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Lyrx [107]
3 years ago
6

Missy took the ACT and was told her standard score (z-score) is –1. Frank took the SAT and was told his standard score (z-score)

is –2. Which student has a better chance of getting admitted to college based on their test score?
a. Missy
b. Frank
c. Impossible to tell; we need to know their actual scores on the exam.
Mathematics
1 answer:
Neko [114]3 years ago
8 0

Answer:

a. Missy

Step-by-step explanation:

The z-score is how manu standard deviations a measure of normally distributed random variable is above or below the mean.

A negative z-score indicates that the measure is below the mean.

A positive z-score indicates the measure is above the mean.

In this problem, we have that:

Missy has a higher z-score than Frank. This means that he had a better relative score on her exam than Frank

So the correct answer is:

a. Missy

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Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 252 miles in the same time that Dana travels 228 miles. I
Alex777 [14]

Answer:

Chuck travels as 63mph

Step-by-step explanation:

4 0
4 years ago
I need help very fast
fenix001 [56]

Answer: probally the first one

Step-by-step explanation:

7 0
3 years ago
The graph of a quadratic function f(x) intersects the x-axis At -3 and 5. Create a function that would produce these results.
FinnZ [79.3K]

Answer:

f(x) = x² - 2x - 15

Step-by-step explanation:

∵ The function intersect x-axis at -3 and 5

∴ f(x) = 0 at x = -3 , 5

∵ The form of the quadratic equation is ⇒ ax² + -b/a x + c/a = 0

                                                                       ax² - b/a x + c/a = 0

Where the sum of its roots is b/a and their multiplication is c/a

∵ a = 1

∵ -3 , 5 are the roots of the quadratic equation

∴ b = -3 + 5 = 2

∴ c = -3 × 5 = -15

∴ f(x) = x² - 2x - 15

6 0
4 years ago
CORRECT ANSWER GETS BRAINLIEST
nikklg [1K]

Answer:

21 and 6

Step-by-step explanation:

a will be the larger, b the smaller:

a - b = 15

2b + 3a = 75

First, we'll solve the first equation for a in terms of b:

a = b + 15

Then substitute that in for a in the second equation to get a numerical value for b:

2b + 3(b + 15) = 75

2b + 3b + 45 = 75

5b = 30

b = 6

Next, we'll get a numerical value for a:

a - b = 15

a - 6 = 15

a = 21

Check the math:

2(6) + 3(21) = 12 + 63 = 75

Please lmk if you have questions.

5 0
3 years ago
Help!!!!!!! Plz and thank yu
Nitella [24]

a) 0/8 = 0

b) -1/1 = -1

c) 4.5 / -1 = -4.5

6 0
3 years ago
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