The bball3 dataset appears to take the form of panel data, which is a type of longitudinal data consisting of multiple observations of the same individuals over time
The bball3 dataset appears to take the form of panel data. Panel data is a type of longitudinal data where observations are made on the same individuals over time. This means that the dataset likely consists of multiple observations of a set of individuals, with the observations collected at different points in time. In a panel data set, each individual can be referred to as a ‘panel unit’.
Cross-sectional data, on the other hand, consists of observations that are collected only once, at a single point in time. This means that each observation consists of a snapshot of the population at a given moment, which is different from panel data where each observation may represent different points in time for the same individuals.
Time series data is a type of data that is collected over a period of time. It captures how a certain variable changes over time, and is often used for forecasting purposes. This is different from panel data, which captures information about the same individuals at different points in time.
In conclusion, the bball3 dataset appears to take the form of panel data, which is a type of longitudinal data consisting of multiple observations of the same individuals over time. It is not cross-sectional or time series data.
See more about dataset at: https://brainly.com/question/29342132
#SPJ11
What is the percentage change of the number of customers that visited the store in the first week to the number of customers that visited the store in the second week?
The percentage change in the visit of total number of customers in the second week as compare to first week is equal to 16.67%.
Total number of customers visited the store in the first week = 360
Total number of customers visited the store in the second week = 300
Percentage Change = (|First week - second week / First week) x 100%
Substitute the value of the number of customers in different weeks in the formula we get,
Percentage Change
= (|300 - 360| / 360) x 100
= (60 / 360) x 100
=( 100 / 6 )
= 16.66666%
= 16.67%
Therefore, the percentage change in the number of customers that visited the store from the first week to the second week is a decrease of 16.67%.
Learn more about percentage here
brainly.com/question/30414087
#SPJ4
The above question is incomplete, the complete question is:
Mr. Davies opened a new retail store. During the first week, 360 customers visited the store. During the second week, 300 customers visited the store.
What is the percentage change of the number of customers that visited the store in the first week to the number of customers that visited the store in the second week?
I need to know if there both parallel
Answer:
No
Step-by-step explanation:
No. So if the number next to the "x" we're the same, it would have been. But they are different (one is -3 and one is 1/3)
at a dinner party i attended, the woman sitting to my right drank 3 glasses of wine during the evening. each contained 8 fl oz. how many standard drinks did she ingest? for this single day, assuming no other alcohol was ingested, did she drink alcohol in moderation?
The woman at the dinner party consumed 24 fluid ounces of wine containing approximately 4.8 standard drinks assuming the wine had an alcohol content of 12%. She exceeded the recommended limit for moderate drinking on that day.
Assuming each glass of wine contained 8 fluid ounces, the woman consumed a total of 24 fluid ounces of wine throughout the evening.
To determine the number of standard drinks ingested, we need to know the alcohol content of the wine. In the United States, a standard drink is defined as containing 0.6 fluid ounces or 14 grams of pure alcohol.
Assuming the wine had an alcohol content of 12% (which is a typical percentage for table wine), we can calculate the number of standard drinks ingested by using the following formula:
Number of standard drinks = (Volume of alcohol consumed in ounces x % alcohol by volume) / (0.6 ounces of alcohol per standard drink)
Number of standard drinks = (24 fl oz x 0.12) / 0.6 fl oz
Number of standard drinks = 4.8
Therefore, the woman consumed approximately 4.8 standard drinks.
To determine if she drank alcohol in moderation, we need to consider the recommended limits for moderate drinking. According to the National Institute on Alcohol Abuse and Alcoholism, moderate drinking is defined as up to one drink per day for women.
Since the woman consumed 4.8 standard drinks in one evening, she exceeded the recommended limit for moderate drinking for that day.
To know more about standard drinks:
https://brainly.com/question/29498863
#SPJ4
The graph of a quadratic function with vertex (-3, - 1)
Find the range and the domain.
Therefore the range of the quadratic function with vertex (-3, -1) is y ≥ -1 and the domain is all real number and the Domain is real numbers .
How to the range ?A quadratic function's vertex form is given by:
[tex]y = a(x - h)^2 + k[/tex]
where (h, k) is the parabola's vertex. In this instance, we have:
[tex]h = -3, k = -1[/tex]
So the quadratic function's equation is:
[tex]y = a(x + 3)^2 - 1[/tex]
To determine the function's range, we must first determine the minimum value of y. Because the squared term's coefficient is positive, the parabola opens upwards and the vertex is a minimum point. As a result, the range is:
Range: y ≥ -1
To determine the function's domain, we must first determine the set of all x-values for which the function is defined. Due to the fact that a quadratic function is defined for all real numbers, the domain is:
Domain: All real numbers
So the domain of the quadratic function with vertex (-3, -1) is all real numbers, and its range is y -1.
To know more about quadratic function visit:-
https://brainly.com/question/29775037
#SPJ9
Mitchell orders a plain turkey sandwich and a drink for lunch. The drink is $2.95
. Instead he is served the super sandwich with lettuce, tomato, and mayonnaise. The restaurant manager takes 15%
off the price of the sandwich.
Write an equation to determine the original price of Mitchell’s sandwich, x
, if his new bill is $8.86
.
Enter the correct equation in the box.
Answer:
7$
Step-by-step explanation:
✅
Determine whether segment lengths form a triangle. If so, classify the triangle as acute, right or obtuse.
1. 10, 7, sqrt(658)
Answer:
it is a triangle bc it has angles of points
Step-by-step explanation:
What is the standard form of the equation of the circle with the center and a radius of square 2 divided by 4
The standard form of the equation of the circle with center and radius of square 2 divided by 4 is (x - 1/2)² + (y + 1/2)² = 1/8.
The standard form of the equation of a circle is (x - h)² + (y - k)² = r², where (h, k) is the center of the circle and r is the radius.
To use this formula, we first need to find the values of h, k, and r for the given circle with center and radius of square 2 divided by 4.
We know that the center of the circle is (h, k) = (2/4, -2/4) = (1/2, -1/2).
This means that h = 1/2 and k = -1/2.
The radius of the circle is r = square 2 divided by 4.
We can write this as r² = (square 2 divided by 4)² = 2/16 = 1/8.
Now we can substitute these values into the standard form equation to get:
(x - 1/2)² + (y + 1/2)² = 1/8
So the standard form of the equation of the circle with center and radius of square 2 divided by 4 is (x - 1/2)² + (y + 1/2)² = 1/8.
for such more question on standard form
https://brainly.com/question/19169731
#SPJ11
Complete the table for the given function y = x^2+ -3
Can you help me. I have 10 minutes to do this. Thanks!
Answer:
To find the difference in degrees Celsius between Oklahoma's and New Jersey's record low temperatures, we first need to convert both temperatures to Celsius or Fahrenheit. Since Oklahoma's temperature is given in Fahrenheit and New Jersey's temperature is given in Celsius, we'll convert Oklahoma's temperature to Celsius.
Using the formula F = 1.8C + 32, we can solve for C:
-31°F = -35°C
(To see how we arrived at this conversion: first, we use the formula to convert Fahrenheit to Celsius: F = 1.8C + 32. Rearranging the equation, we can solve for C: (F - 32) / 1.8 = C. Plugging in -31°F for F, we get (-31 - 32) / 1.8 = -35°C)
Now we can find the difference in Celsius between the two temperatures:
|-35°C| - |-37°C| = |-2| = 2°C
So the difference in degrees Celsius between Oklahoma's and New Jersey's record low temperatures is 2°C.
The measures of the angles of a triangle are shown in the figure below. Solve for x.
(9x-1)º
74°
62°
PLS HURRY!!
In the given triangle, the value of x = 5.
What is a triangle's definition?
A triangle is a geometrical shape that is defined as a polygon with three sides and three angles. It is a closed figure with three line segments as its sides, and these sides intersect at three points, which are called vertices. When we add all the angles of a triangle then the result will always be 180°.
Now,
As we know the property of a triangle that
sum of all angles of triangle=180°
given angles are (9x-1)°, 74° and 62°
then,
9x-1+74+62=180°
9x+135=180
9x=45
x=5
Hence,
the value of x is 5.
To know more about triangles visit the link
brainly.com/question/2773823
#SPJ1
we are about to test a hypothesis using data from a well-designed study. which is true? i. a large p-value would be strong evidence against the null hypothesis. ii. we can set a higher standard of proof by choosing
Answer: 2+2
Step-by-step explanation: easy math
Answer:
Neither of the statements are true.
i. A large p-value indicates weak evidence against the null hypothesis. A small p-value (typically less than 0.05) is strong evidence against the null hypothesis.
ii. We cannot set a higher standard of proof by choosing a lower significance level (alpha) because doing so would increase the likelihood of making a Type II error, which is failing to reject a false null hypothesis. The level of significance should be chosen based on the goals of the study and the consequences of making a Type I or Type II error.
a librarian has 10 nonfiction and eight fiction books from which to choose the next three book club selections.what is the approximate probability that she chooses a fiction book, then a nonfiction book, then a fiction book?
The probability that a librarian chooses a fiction book, then a nonfiction book, then a fiction book is approximately 0.305.
The solution to this problem is a probability calculation.
To calculate the probability of selecting a fiction book, then a nonfiction book, then a fiction book from a selection of 10 nonfiction books and eight fiction books, we need to use the multiplication rule of probability.
The multiplication rule states that the probability of two or more independent events happening together is equal to the product of their individual probabilities.
To apply this rule, we'll break down the question into three events:
Probability of choosing a fiction book = 8/18 = 4/9
Probability of choosing a nonfiction book (after selecting a fiction book) = 10/17
Probability of choosing a fiction book (after selecting a nonfiction book) = 8/16 = 1/2
Now we can use the multiplication rule:4/9 * 10/17 * 1/2 = 0.305 (rounded to three decimal places)
Therefore, the approximate probability that the librarian will choose a fiction book, then a nonfiction book, then a fiction book is 0.305.
For similar question probability.
https://brainly.com/question/28444090
#SPJ11
on a biased dice, the probability of getting a two is 0.1. the dice is rolled 250 times
Answer:
If the probability of getting a two on a biased dice is 0.1, then the probability of not getting a two is 0.9.
To find the expected number of times a two is rolled in 250 rolls:
Expected value = (probability of an event occurring) x (number of trials)
Expected number of twos = 0.1 x 250 = 25
To find the expected number of times a number other than two is rolled in 250 rolls:
Expected number of non-twos = 0.9 x 250 = 225
Therefore, we would expect to roll a two 25 times and a number other than two 225 times in 250 rolls of this biased dice.
Answer:
0.790, or 79%.
Step-by-step explanation:
If the probability of getting a two on a biased dice is 0.1, then the probability of not getting a two is 0.9.
We can use the binomial distribution to calculate the probability of getting a certain number of twos in 250 rolls of the dice. The formula for the binomial distribution is:
P(X = k) = C(n, k) * p^k * (1-p)^(n-k)
Where:
P(X = k) is the probability of getting exactly k twos
n is the number of trials (250 rolls)
k is the number of successes (getting a two)
p is the probability of success (0.1)
(1-p) is the probability of failure (0.9)
C(n, k) is the number of ways to choose k successes from n trials (n choose k)
To calculate the probability of getting exactly k twos in 250 rolls, we plug in the values for n, k, p, and (1-p) into the formula:
P(X = k) = C(250, k) * 0.1^k * 0.9^(250-k)
We can use a calculator or a software program to find the probabilities for different values of k. Here are some examples:
The probability of getting no twos (k = 0) is P(X = 0) = C(250, 0) * 0.1^0 * 0.9^250 = 0.057
The probability of getting exactly one two (k = 1) is P(X = 1) = C(250, 1) * 0.1^1 * 0.9^249 = 0.153
The probability of getting at least two twos (k >= 2) is the complement of the probability of getting zero or one two:
P(X >= 2) = 1 - P(X = 0) - P(X = 1)
= 1 - 0.057 - 0.153
= 0.790
Therefore, the probability of getting at least two twos in 250 rolls of the biased dice is approximately 0.790, or 79%.
please leave a star
how do these histograms demonstrate what the central limit theorem says about the sampling distribution model for sample means.
The histograms demonstrate that as sample size increases, the distribution of sample means becomes more normal, which is in line with the central limit theorem.
Histograms can be used to graphically represent a probability distribution, which is a measure of how likely it is that a random variable will take on a particular value.
The central limit theorem states that as the sample size increases, the sampling distribution of the mean approaches a normal distribution, regardless of the shape of the population distribution.
The histograms demonstrate this by showing the distribution of sample means for different sample sizes. As the sample size increases, the shape of the histogram becomes more normal, with a narrower and taller distribution.
Therefore, this demonstrates that the central limit theorem holds true, as the distribution of sample means becomes more normal as sample size increases, regardless of the shape of the population distribution.
To know more about population distribution refer here:
https://brainly.com/question/1539005?
#SPJ11
a sample of 116 motels is selected from a large urban area and the price for a night of lodging for a single room was determined for each motel. the mean rate is computed to be $91 and the standard deviation is $14 . one motel charged $55 per night which is the 15th percentile. another motel charged $118 per night which is the 75th percentile. step 2 of 5: how many motels charged $118 or less per night? round your answer to the nearest integer.
By standard deviation, The required number of motels that charged 118 or less per night is 87 (approx).
We are to determine how many motels charged 118 or less per night. We can use the normal distribution table to find out the z-score for the 75th percentile. We can then use this z-score to find out the price of lodging per night for the 118th percentile.
The formula to calculate the z-score is:[tex]z=\frac{X-\mu}{\sigma}[/tex], where X is the price of lodging per night, [tex]$\mu$[/tex]is the mean rate, [tex]$\sigma$[/tex] is the standard deviation.
The z-score for the 75th percentile is found using the normal distribution table as: z = 0.67 (approx). For the 75th percentile, the motel charged $118 per night. Therefore, we can write the formula as:[tex]0.67 = \frac{118 - 91}{14}[/tex] Simplifying, we get: [tex]0.67 = \frac{27}{14}[/tex]
Therefore, we can conclude that:118 = 91 + 14 [tex]\times[/tex] 0.67 Or, X = [tex]\mu[/tex] + z[tex]\sigma[/tex]= 91 + 0.67 [tex]\times[/tex] 14 = 100.38. Thus, motels that charged 118 or less per night can be found as follows: [tex]$$P(X \leq 118)[/tex]=[tex]P(Z \leq z)$$$$[/tex] = [tex]P(Z \leq 0.67)$$$$[/tex]= 0.7486.
Hence, the number of motels that charged 118 or less per night is:
0.7486 [tex]\times[/tex]116 = 87.06. Rounding it to the nearest integer, we get: 87 (approx). Therefore, the required number of motels that charged 118 or less per night is 87 (approx).
To know more about standard deviation refer here:
https://brainly.com/question/29088233
#SPJ11
jonathan is making chili for a get-together. his recipe calls for 1 1/2 cups of diced tomatoes for every 4 cups of chili. he wants to make 9 cups of chili. how many cups of diced tomatoes should he put in the chili?
2 3/4 cups of diced tomatoes should he put in the chili.
How many glasses should there be?
Simply said, a fraction is a portion of a whole. Mathematically, the number is expressed as a quotient with split numerator and denominator. The numerator and denominator of a simple fraction are both integers.
Tomatoes in cups expressed as a fraction higher than 1.
A mixed fraction is 2 3/4. Because it combines a full number with a fraction, it is known as that.
We must change the mixed fraction into an improper fraction in order to calculate the quantity of cups of tomatoes stated as a fraction greater than 1.
A fraction that has a larger numerator than denominator is said to be improper.
2 3/4 ⇒ ((2*4)+3)/4 ⇒ (8+3)/4 ⇒ 11/4
A fraction that is bigger than one is 11/4.
A fraction with the value 1 is 4/4. Hence, any fraction that has a numerator larger than one and less than four is a fraction. It is 11/4 in this instance.
To know more about denominator, click the below link
https://brainly.com/question/7067665
#SPJ4
A rectangular prism has dimensions of 4 inches by 3 inches by 7 inches.
Calculate the surface area. Show your work
Answer: the answer would be 122
Step-by-step explanation:
To find the surface area you need to find the area of each face and add them together
2 (W L+H L+H W) = surface area
2·(4·7+3·7+3·4)=122
Answer:
Step-by-step explanation:
Given dimensions of the rectangular prism ,
4"×3"×7"
We know, Total surface area of a cuboid= 2(lb+bh+hl)
where, l=length of the cuboid
b= breadth " " "
h= height " " "
Since, a rectangular prism holds the shape of a cuboid, therefore it's surface area should also be 2(lb+bh+hl)
Now, surface area of the rectangular prism = 2(4×3+3×7+7×4)
=2(12+21+28)
=2×61
=122 square inches.
If f(1) = 10, and f(n) = f(n-1) + 4, then find the value of
ƒ (4).
The value of f(4) using recursive formula f(1) = 10 and f(n) = f(n-1) + 4 for n ≥ 2 is 22
Finding the Value of f(4) Using Recursive FormulaGiven that f(1) = 10 and f(n) = f(n-1) + 4 for n ≥ 2.
To find the value of f(4), we can use the recursive formula to work our way up from f(1) to f(4):
Using the above as a guide, we have the following:
f(2) = f(1) + 4 = 10 + 4 = 14
Next, we have
f(3) = f(2) + 4 = 14 + 4 = 18
Next, we have
f(4) = f(3) + 4 = 18 + 4 = 22
Therefore, the value of f(4) is 22.
Read more about sequence at
https://brainly.com/question/29431864
#SPJ1
mental ability
hardest queston for grade 7
you are god if you did and explained properly
i will mark you as brainliest
optinons are-:
173
153
182
142
Answer:
153
Step-by-step explanation:
The relationship in the row is below
4³ +2³ +1³ =64 + 8 +1 = 72
1³ + 2³ +6³= 1 + 8 + 216
3³ + 1³ + 5³ = 27 +1 +125 = 153
All numbers below the first level are raised to power 3 and added together
help please?!This sphere has a radius of 6 cm.
What is the surface area of the sphere?
Enter your answer, in exact form, in the box.
Answer:
Step-by-step explanation:
It's[tex]288\pi in2[/tex]Answer:
Step-by-step explanation:
Here is real answer :>
An instrument that can be used to measure height,age and shoe size of learners
A stadiometer can be used to measure height, age, and shoe size of learners. It is a simple device consisting of a ruler mounted on a vertical board, and the measurements can be taken in the Frankfort Plane position.
An instrument that can be used to measure height, age, and shoe size of learners is a stadiometer. A stadiometer is a device designed to measure the height of an individual, typically from the floor to the crown of the head. It consists of a ruler, graduated in metric or imperial units, mounted on a vertical board. To measure a person's height, they must stand against the board with their feet together and their head in the Frankfort Plane. The Frankfort Plane is an imaginary line running from the top of the ears to the bottom of the eyes. Once the person is standing in this position, the height is read off the ruler and recorded.
In addition to height measurement, a stadiometer can also be used to measure age and shoe size of learners. To measure age, the stadiometer must be calibrated with the average height of the population by age. Then, when the person is standing in the Frankfort Plane position, their age can be read off the ruler. To measure shoe size, the stadiometer must be calibrated with the average height of a person with a certain shoe size. Once the person is standing in the Frankfort Plane position, their shoe size can be read off the ruler.
for such more question on age
https://brainly.com/question/26423521
#SPJ11
a high school baseball player has a 0.253 batting average. in one game, he gets 8 at bats. what is the probability he will get at least 6 hits in the game?
The probability of a high school baseball player getting at least 6 hits in one game, given a 0.253 batting average, when he gets 8 at-bats, is 0.0197 or approximately 2%.
Given, the high school baseball player's batting average is 0.253, which means in 100 times he hits the ball, he will make 25.3 hits on average. We need to find the probability of getting at least 6 hits in a game when he gets 8 at-bats.
We will calculate the probability using the Binomial Probability formula. Here, the number of trials is 8, and the probability of success is 0.253. We need to find the probability of getting at least 6 hits.
P(X≥6) = 1 - P(X<6)
P(X<6) = ∑P(X=i), i=0 to 5
We can use the Binomial Probability Table to find these probabilities or use the Binomial Probability formula.
P(X<6) = P(X=0) + P(X=1) + P(X=2) + P(X=3) + P(X=4) + P(X=5)
= C(8,0) (0.253)^0 (1 - 0.253)^8 + C(8,1) (0.253)^1 (1 - 0.253)^7 + C(8,2) (0.253)^2 (1 - 0.253)^6 + C(8,3) (0.253)^3 (1 - 0.253)^5 + C(8,4) (0.253)^4 (1 - 0.253)^4 + C(8,5) (0.253)^5 (1 - 0.253)^3
≈ 0.9799
Therefore, P(X≥6) = 1 - 0.9799
= 0.0201 or approximately 2%.
Hence, approximately 0.0197 or 1.97% is the probability of a high school baseball player, who has a batting average of 0.253, obtaining at least 6 hits when given 8 at-bats during a single game.
To know more about probability refer here:
https://brainly.com/question/1596693#
#SPJ11
Solve for the value of x
Answer:
x = -32
Step-by-step explanation:
Given: (2x + 4) + 112 + 132 = 180
First, write it down:
(2x + 4) + 112 + 132 = 180
Then collect like terms:
2x = 180 - 112 - 132
Then calculate:
2x = -64 (Divide both sides by 2)
x = -32
A Rubik’s Cube is a game where the person tries to get each surface of a cube to be one color. The Rubik’s Cube is made up of smaller unit cubes stacked together.
What is the volume, in cubic units, of the Rubik’s Cube?
Answer:
27 cubic units
Step-by-step explanation:
Since each small cube is a unit cube, then each small cube has side length 1 unit. Each side of the Rubik's cube has length 3 units.
V = s³ = 3³ = 27
Answer: 27 cubic units
Find the x-intercept of 3 tan(3x) over the interval (pi/6,3pi/6)
Express your answer in terms of pi.
The x-intercepts of the function 3 tan(3x) over the interval (π/6, 3π/6) are:
x = π/3 and x = 2π/3
What is function ?
A function is a mathematical object that takes one or more inputs, called the arguments or variables, and produces a unique output. The output is determined by a set of rules that specify how the function operates on the inputs. In other words, a function is a relationship between inputs and outputs.
Functions are typically denoted by a symbol or a name, such as f(x) or g(t). The input is usually represented by a variable, such as x or t, while the output is represented by the function value, such as f(x) or g(t).
Functions are used extensively in mathematics, science, engineering, and many other fields. They provide a way to model and analyze real-world phenomena, and they are essential tools for solving many problems in these fields. Examples of functions include polynomial functions, exponential functions, trigonometric functions, and logarithmic functions.
To find the x-intercept of the function 3 tan(3x) over the given interval, we need to find the values of x where the function equals zero.
Let's first simplify the function:
3 tan(3x) = 0
tan(3x) = 0
We know that tan(π/2) is undefined and that tan(π) = 0. Since the period of the tangent function is π, we can say that:
tan(3x) = 0 --> 3x = nπ for n ∈ ℤ
Now we solve for x:
3x = nπ
x = nπ/3
Since the interval is (π/6, 3π/6), we need to find the values of x that satisfy:
π/6 < x < 3π/6
π/6 < nπ/3 < 3π/6
1/2 < n < 3/2
So the values of x that satisfy the given condition are:
x = π/3 and x = 2π/3
Therefore, the x-intercepts of the function 3 tan(3x) over the interval (π/6, 3π/6) are:
x = π/3 and x = 2π/3
Expressed in terms of π, the x-intercepts are:
π/3π and 2π/3π, which simplify to:
x = 1/3 and x = 2/3.
To know more about Trigonometry visit :-
https://brainly.com/question/13729598
#SPJ1
an internal revenue service (irs) inspector is to select 2 corporations from a list of 10 for tax audit purposes. of the 10 corporations, 6 earned profits and 4 incurred losses during the year for which the tax returns are to be audited. if the irs inspector decides to select the 2 corporations randomly, find the probability that: both corporations earned profits. one corporation incurred a loss. suppose the irs inspector selects 3 corporations from the list. what is the probability that at least 2 of them earned profits?
The probability of selecting at least 2 corporations earned profits is 2/3.
Define the term probability ?A subfield of statistics known as probability studies random events and their likelihood of happening.
Using combination formula:
¹⁰C₂ = [tex]\frac{10!}{(2! * (10-2)!)}[/tex] = 45
This tells us that there are 45 possible ways to select two corporations from the list of 10.
To determine the number of ways that two corporations that both earned profits can be selected,
⁶C₂ = [tex]\frac{6!}{(2! * (6-2)!)}[/tex] = 15
So there are 15 ways to select two corporations that both earned profits.
Therefore, the probability of selecting two corporations that both earned profits is:
P(both earned profits) = 15/45 = 1/3
To find the probability of selecting one corporation that incurred a loss,
⁴C₁ × ⁶C₁ = 4 × 6 = 24
So there are 24 ways to select one corporation that incurred a loss and one corporation that earned a profit.
Therefore, the probability of selecting one corporation that incurred a loss is:
P(one incurred loss) = 24/45 = 8/15
If the IRS inspector selects 3 corporations from the list, we can use the complement rule to find the probability that at least 2 of them earned profits,
P(at least 2 earned profits) = 1 - P(none earned profits) - P(only 1 earned profit)
To find the probability that none of the three selected corporations earned profits,
⁴C₃ ÷ ¹⁰C₃ = 4/120 = 1/30
To find the probability that only one of the three selected corporations earned profits,
{ ⁶C₁ × ⁴C₂ } ÷ ¹⁰C₃ = 36/120 = 3/10
Therefore, the probability of selecting at least 2 corporations that earned profits is:
P(at least 2 earned profits) = 1 - 1/30 - 3/10 = 2/3
To know more about probability, visit:
https://brainly.com/question/13604758
#SPJ1
What is the circumference of the circle in terms of pi? The radius of the circle is 8 yards Answers: 8pi yards 4pi yards 64pi yards 25.12pi yards
The circumference of the circle in terms of pi is 16π yards.
The circumference of a circle is the distance around the edge or perimeter of the circle. It is the length of a closed curve and can be measured by using a flexible measuring tape or a string to wrap around the circle. The formula for the circumference of a circle is C = 2πr, where C is the circumference, r is the radius of the circle, and π is the mathematical constant pi (approximately equal to 3.14159). The circumference of a circle is proportional to its radius and increases as the radius increases. Therefore, if we know the radius of a circle, we can use the formula to find its circumference, and if we know the circumference, we can use the formula to find the radius. The circumference is an important concept in geometry and is used in many real-world applications, such as calculating the length of a fence needed to enclose a circular garden or the distance traveled by a car moving around a circular racetrack.
Substituting the given value of the radius, we get:
C = 2π(8) = 16π
Therefore, the circumference of the circle in terms of pi is 16π yards.
So the answer is 16pi yards.
To know more about the circumference of the circle visit:
brainly.com/question/26605972
#SPJ1
when individuals are classified into qualitatively different categories, which level of measurement is this?\
When individuals are classified into qualitatively different categories, this is an example of nominal level of measurement.
Nominal level of measurement is the lowest level of measurement in which variables are measured by naming, labeling or categorizing them into different groups without any inherent order or ranking.
Nominal data involves variables that are categorical in nature and cannot be numerically ranked. Examples of nominal variables include gender, race, ethnicity, hair color, eye color, and so on. These variables can be classified into different categories, but they cannot be arranged in any meaningful order or assigned numerical values.
Nominal data is important in many fields, including social sciences, health research, and market research. It allows for the classification of data into different categories or groups based on certain characteristics, which can then be used to analyze patterns and trends.
However, because nominal data cannot be measured in numerical terms, certain statistical analyses, such as mean and standard deviation, are not applicable. Instead, nominal data is often analyzed using measures of frequency, such as percentages and proportions.
To learn more about measurement click on,
https://brainly.com/question/28991425
#SPJ4
according to the bureau of justice statistics, 10% of persons age 16 or older had been victims of identity theft during the prior 12 months in 2016. what is the minimal sample size of a random sample of persons age 16 or older to generate a normal distribution approximation?
According to the bureau of justice statistics, 10% of persons age 16 or older had been victims of identity theft during the prior 12 months in 2016. 200 is the minimal sample size of a random sample of persons age 16 or older to generate a normal distribution approximation.
In order to generate a normal distribution approximation from a sample of persons aged 16 or older, a minimum sample size of 200 individuals would be necessary. This number is based on the assumption that 10% of persons aged 16 or older had been victims of identity theft in 2016, according to the Bureau of Justice Statistics.
The normal distribution approximation of a population is determined by obtaining a random sample of the population, and using it to approximate the probability distribution of a given variable. The larger the sample size, the more accurate the approximation will be, so a sample size of 200 individuals is the minimum required to generate a normal distribution approximation.
In order to obtain a random sample, the population must be divided into subgroups and a certain number of individuals from each group should be selected. A larger sample size will be more representative of the population and will improve the accuracy of the approximation.
In conclusion, a minimum sample size of 200 individuals would be necessary in order to generate a normal distribution approximation of persons aged 16 or older in 2016, based on the Bureau of Justice Statistics finding that 10% of persons aged 16 or older had been victims of identity theft during the prior 12 months in 2016.
For similar question on Statistics
https://brainly.com/question/23724696
#SPJ11
using appropriate properties find -2/8×2/8+2/8-2/8×2/8
Answer:
To solve this expression, we need to follow the order of operations: parentheses, exponents, multiplication and division (performed left to right), and addition and subtraction (performed left to right).
There are no parentheses or exponents, so we can simplify multiplication and division first:
-2/8 × 2/8 + 2/8 - 2/8 × 2/8 = (-2 × 2)/(8 × 8) + 2/8 - (2 × 2)/(8 × 8)
= -4/64 + 2/8 - 4/64
= (-4 + 16 - 4)/64
= 8/64
= 1/8
Therefore, -2/8 × 2/8 + 2/8 - 2/8 × 2/8 = 1/8.