SAT scores are normally distributed and in the state of Ohio in 2017, the mean was 1149 with a standard deviation of 212. To get accepted into Yale, you need an SAT of 1460 or an ACT of 33. Which is your best option to get admitted to Yale?
Question 5 options:
1.You should take the ACT because it has a higher z-score
2.You should take the SAT because it takes a lower z-score to get in.
3.Each test has the same z-score value, so you can take either one
4.You should take the SAT because it has a higher z-score
5.You should take the ACT because it takes a lower z-score to get in.

Answers

Answer 1

Answer:

The correct option depends on the ACT z-score. If it's higher than 1.47 the best option is the ACT while if it's lower the best option is the SAT.

Step-by-step explanation:

Z-score:

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the z-score of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

In this question:

Whichever test has the higher z-score should be taken.

SAT scores are normally distributed and in the state of Ohio in 2017, the mean was 1149 with a standard deviation of 212. To get accepted into Yale, you need an SAT of 1460.

This means that [tex]X = 1460, \mu = 1149, \sigma = 212[/tex]

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{1460 - 1149}{212}[/tex]

[tex]Z = 1.47[/tex]

Z-score for the ACT:

We don't have the mean.

But the correct option depends on the ACT z-score. If it's higher than 1.47 the best option is the ACT while if it's lower the best option is the SAT.


Related Questions

I need to know the first and last one

Answers

The lines FE and GH are parallel to each orther.

What is congruent of the triangle?

The shapes maintain their equality regardless of how they are turned, flipped, or rotated before being cut out and stacked. We'll see that they'll be placed entirely on top of one another and will superimpose one another. Due to their identical radius and ability to be positioned directly on top of one another, the following circles are considered to be congruent.

Any two figures can be perfectly positioned over one another to demonstrate their congruence. The relationship between two figures that are said to be congruent is described using the word "congruence."

Given that

ΔPEI = ΔGHI

here ∠pie = ∠gih

PI =HI

GI=EI

So both triangles are congruent

So the FE║GH.

Hence the lines FE and GH are parallel to each orther.

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Negative 9x plus 1 = negative 80

Answers

Answer:

x = 9

Step-by-step explanation:

first, you would subtract 1 from 80 and get -9x = -81 then you can just divide -81 by -9 or 9 from 81, either way, you'll have x = 9

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

[tex]\boxed{x=9}[/tex]

»»————- ★ ————-««  

Here’s why:  

We would have to use inverse operations to solve the equation.

⸻⸻⸻⸻

[tex]\boxed{\text{Solving the Equation for 'x':}}\\\\-9x+1=-80\\---------\\\rightarrow -9x+1-1=-80-1\\\\\rightarrow -9x=-81\\\\\rightarrow\frac{-9x=-81}{-9}\\\\\rightarrow \boxed{x=9}[/tex]

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

Does anyone know how to solve this?

Answers

Answer:

The right answer is C ( π/2)

Evaluate f(x)=e4x+5+2 when x=−2. Give an approximate answer rounded to two decimal places.

Answers

Answer:

f(-2) ≈ 2.00

Step-by-step explanation:

f(x) = e^(4x + 2) + 2

At x = -2

f(-2) = e^(4(-2) + 2) + 2

f(-2) = e^(-8 + 2) + 2

f(-2) = e^(-6) + 2

use calculator

f(-2) = 0.002478752176666 + 2

f(-2) = 2.002478752176666

Rounded to 2DP

f(-2) ≈ 2.00

I need this Please help me

Answers

9514 1404 393

Answer:

  (c)  Not parallel: corresponding angles are not congruent

Step-by-step explanation:

The two angles shows are both "east" of the respective points of intersection, so are "corresponding" angles. If (and only if) lines r and s are parallel, corresponding angles are congruent. These angles have different measures, so lines r and s are not parallel.

what is the solution 5=x+3

Answers

Answer:

x = 2

Step-by-step explanation:

2 + 3 = 5

HELPPPP

When y=4x-6 find y if x=1/2

Answers

Answer: y = -4

Step-by-step explanation:

y = 4x-6

y = 4(1/2)-6

y = 2-6

y = -4

Answer:

Step-by-step explanation:

Y = 4x - 6

Putting value of x = 1/2 in the equation

Y = 4(1/2) - 6

= 2 - 6

= - 4


The greatest value of 7x would be?

Answers

Answer: 70

Step-by-step explanation:

the correct answer is 70

Find the measures of the unknown angles in the triangle shown. Round answers to the nearest degree.

Answers

Answer:

y is 40.54 degrees

x is 49.46 degrees

Step-by-step explanation:

Recall that Pythagoras theorem states that

a^2 + b ^2 = c^2

where a and b are the opposite and adjacent sides of a right angled triangle and c is the hypotenuse side

Using the notation SOH CAH TOA

Sin y = 13/20 where 13 is the length of the opposite side and 20 is that of the hypotenuse side.

y = sin^-1 0.65

y = 40.54 degrees

Considering angle x,

Cos x = 13/20 where 13 is the adjacent side and 20 is the hypotenuse side

x = Cos^-1 0.65

= 49.46 degrees

Answer:

x=49

y=41

Step-by-step explanation:

Find the length of AB.

Answers

The length of AB in the line segment is 21 units.

How to find the length of a line segment?

A line segment is bounded by two distinct points on a line. In other words, a line segment is a part of a line that connects two points which are considered to be its endpoints.

Therefore, let's find the length AB, in the line segment AC.

Hence,

AC = AB + BC

AC = 23

AB = 2x + 7

BC = 3x - 19

Therefore,

23 = 2x + 7 + 3x - 19

23 = 5x  - 12

23 + 12 = 5x

35 = 5x

divide both sides by 5

x = 35 / 5

x = 7

Therefore,

AB = 2x + 7 = 2(7) + 7 = 14 + 7 = 21

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y to the -3 power
pls help!!!!!!!!!

Answers

Answer:

any number goes down 3 places

Step-by-step explanation:

EX:10 to the power of -3 = 0.001

Select all equations that have n = 6 as a solution

Answers

Answer:

B. n + 6 = 12

C. 4 • 6 = 24

Step-by-step explanation:

Answer:

Hello There!!

Step-by-step explanation:

The answer is b. n+6 and c. 4×n=24.

hope this helps,have a great day!!

~Pinky~

Given that c:d is 4:3 and d:u is 2:9, find c:d:u.

Answers

Answer:

  c : d : u = 8 : 6 : 27

Step-by-step explanation:

Given c:d = 4:3 and d:u = 2:9, you want c:d:u.

Ratio units

To write the desired ratio, we need to convert the others so they have the same number of ratio units representing 'd'. That number can be the least common multiple of 3 and 2, which is 6. Knowing this, we can write ...

  c:d = 4:3 = 8:6

  d:u = 2:9 = 6:27

Then the desired ratio is ...

  c:d:u = 8:6:27

Steps to solve equation

Answers

An equation may have more than one solution.

What is an equation?

A mathematical statement known as an equation is made up of two expressions joined together by the equal sign. A formula would be 3x - 5 = 16, for instance. When this equation is solved, we discover that the value of the variable x is 7.

Calculating the value of the unknown variable while keeping the equation balanced on both sides is the process of solving equations. A condition on a variable is an equation when it ensures that two expressions in the variable have the same value. The variable's value for which the equation holds true is referred to as the equation's solution. If the LHS and RHS are switched, an equation doesn't change. The solution is discovered after isolating the variable for which the value must be determined. Depending on the kind of equation we are dealing with, we can solve it. There are various types of equations, including linear, quadratic, rational, and radical ones.

Steps to solve a linear equation:

1. If necessary, remove the parentheses and use the distributive property.

2. By merging like terms, make both sides of the equation simpler.

3. The LCD (least common denominator) of all the fractions should be multiplied by both sides of the equation if there are any fractions.

4. If the equation contains decimals, multiply both sides by the lowest power of 10 to make the result a whole number.

5. Using the addition and subtraction properties of equality, move the constant terms to the other side of the equation and the variable terms to the other.

6. Using the equality properties of multiplication or division, set the variable's coefficient to 1.

7. Get the answer by isolating the variable.

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HELP ME !!


PLEASE ANSWER !! ILL GIVE BRAINLIEST !!

50 POINTS !!

FAKE ANSWERS WILL GET REPORTED .

Answers

Answer:We know that the sum of the three interior angles in any triangle always equal 180°

Casey and Lance run laps to train for basketball. Casey runs 2 laps in the time it takes for Lance to run 9 laps.

If Casey runs 16 laps, how many laps does Lance run in the same amount of time?

Answers

Answer:

72 laps

Step-by-step explanation:

2/16=8

8x9=72

Ignore the blue dots they are wrong

Answers

Answer:

1. true

2. false

3. false

4. true

1.true. 2.false. 3.false. 4.true.

3004=3

4004=7

5008=4

6006=??​

Answers

Answer:

5

Step-by-step explanation:

Write the equation of a circle with a center at
(2, -9) and a radius of 7
Helpppp

Answers

Answer:

[tex]x^2+y^2+14y+36=0[/tex]

Step-by-step explanation:

Given that,

Center = (2,-9)

Radius of the circle, r = 7

We need to find the equation of a circle with a center at  (2, -9) and a radius of 7. It can be given by :

[tex](x-h)^2+(y-k)^2=r^2[/tex]

Put h = 2, k = -9 and r = 7 So,

[tex](x-2)^2+(y-(-9))^2=7^2\\\\x^2+4-4x+y^2+81+18y=49\\\\x^2+y^2+14y+85-49=0\\\\x^2+y^2+14y+36=0[/tex]

Hence, this is the required solution.

What is the slope of (2,-12), (18,15)

Answers

Answer:

Step-by-step explanation:

The slope of a line given two points [tex](x_0,y_0)[/tex] and [tex](x_1,y_1)[/tex] is

[tex]m=\frac{y_1-y_0}{x_1-x_0}=\frac{15-(-12)}{18-2}=\frac{27}{16}[/tex]

what is the trigonometric ratio for cos n ​

Answers

Answer: 12/13, i think

Step-by-step explanation:

ccording to the Australian Bureau of Agricultural and Resource Economics, Queensland egg farmers produce millions of eggs every year. Suppose egg production per year in Queensland is normally distributed, with a standard deviation of 83 million eggs. If during only 3% of the years Queensland egg farmers produce more than 2,655 million eggs, what is the mean egg production by Queensland farmers (in million)?

Round your answer to 1 decimal place.

Answers

The standard deviation of 83 million eggs and 2,655 millions eggs represent that of 3% of the farmers, of the production that is normally distributed, indicates that the mean egg production by Queensland farmers is about 2498.1 million eggs.

What is a normal distribution?

A normal distribution is a probability distribution such that the values of the distribution are symmetrical around the mean value of the distribution.

The standard deviation, σ = 83 million eggs

The percentage of farmers that produce more than 2,655 million eggs, x = 3%

The formula for the z-score is; [tex]Z = \dfrac{x - \mu}{\sigma}[/tex]

Therefore, we get;

[tex]Z = \dfrac{2655 - \mu}{83}[/tex]

From the z-score table for P(Z > Z₁), where Z₁ is the z-score corresponding to Φ(1 - 0.03) = Φ(0.97)

The z-value corresponding to Φ(0.97) is about 1.89

Therefore;

[tex]Z = \dfrac{2655 - \mu}{83} \approx 1.89[/tex]

83 × 1.89 ≈ 2655 - μ

μ ≈ 2655 - 83 × 1.89 = 2498.1

The mean egg production by Queensland farmers is about 2498.1 million eggs per year

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help?

no links and no files please

Answers

Answer:

5

Step-by-step explanation:

8235

Restrictions must be indicated for rational functions involving a denominator because__________
is not defined​

Answers

Answer:

rational expressions

hope I helped! :)

Pls help me, if you get it right I will give you Brainlist!​

Answers

Its 336 sorry if I'm wrong

A hill rises from 100 m to 175 m over
a horizontal distance of 300 m. What
is the percent slope of the hill?
20 pts

Answers

Answer:

25%

Step-by-step explanation:

slope = (175-100)/300 = 75/300 = ¼

the percent slope = ¼×100%= 25%

Suppose that 12 inches of wire costs 60 cents.
At the same rate, how much (in cents) will 9 inches of wire cost?

Answers

Don’t click links. May be a way to lure you into scetchy websites.

A seed company planted a floral mosaic of a national flag. The perimeter of the flag is 2,240 ft Determine the​ flag's width and length if the length is 460 ft greater than the width.

Answers

Answer:

the flag is 50 feet long and 160 feet wide

Answer: The width is 330 feet and the length is 790 feet.

Step-by-step explanation:

     We will write a system of equations to help us solve. Let w be the width and l be the length.

2w + 2l = 2,240 ft

l = 460 ft + w

     Now, we will solve for w, the width, by substituting one equation into the other.

2w + 2l = 2,240 ft,       l = 460 ft + w

2w + 2(460 ft + w) = 2,240 ft

2w + 920 ft + 2w = 2,240 ft

4w + 920 ft = 2,240 ft

4w = 1,320 ft

w = 330 ft

     The width is 330 feet.

     Now, we will solve for l, the length.

l = 460 ft + w,          w = 330 ft

l = 460 ft + 330 ft

l = 790 ft

     The length is 790 feet.

Can someone please help me?? T^T

What is the slope of each line?


Answers

Answer:

Graph 1: The slope is -1/1 or -1

Graph 2: The slope is -1/1 or -1

Step-by-step explanation:

I hope this helps!

Now find the sum.What is 3/7 +1/3

Answers

Answer: It is 16/21

Step-by-step explanation: Once you find a common denominator just add the top and leave the bottom alone

Answer:

16/21

Step-by-step explanation:

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