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Ira Lisetskai [31]
2 years ago
11

Suppose that your younger sister is applying for entrance to college and has taken the SATs. She scored at the 85th percentile o

n the verbal section of the test and at the 96th percentile on the math section of the test. Because you have been studying statistics, she asks you for an interpretation of these values. What would you tell her?
I would tell her that out of all the people who took the verbal section, ___% scored higher than she did and ___ % scored at or below her score. For the math section, ___ % of those who took the exam scored at or below her score and ____ % scored higher than she did.
Mathematics
1 answer:
soldier1979 [14.2K]2 years ago
8 0

Answer:

See below

Step-by-step explanation:

  • Score at the 85th percentile on the verbal section of the test
  • Score at the 96th percentile on the math section of the test

<u>Based on this info filling in the gaps</u>

  • I would tell her that out of all the people who took the verbal section, _15__% scored higher than she did and _85__ % scored at or below her score. For the math section, _96_ % of those who took the exam scored at or below her score and _4_ % scored higher than she did.
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Let f(x) = x2 − 81. Find f−1(x).
Umnica [9.8K]
F(x) = x² - 81

Finding f⁻¹(x) the inverse function

Let y = f(x) and solve for x.

y = x² - 81

y + 81 = x²

x² = y + 81

x = √(y + 81)

Recall f(x) = y, that means x = f⁻¹(y)

x = √(y + 81)

f⁻¹(y) = √(y + 81)

Therefore   f⁻¹(x) = √(x + 81)
3 0
3 years ago
What is the equation of the line parallel to 3x + 5y = 11 that passes through the point (15, 4)?
soldier1979 [14.2K]

Answer:

The answer is

<h2>y =  -  \frac{3}{5} x + 13</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

The original line is 3x + 5y = 11

We must first write the equation in the general equation above

So we have

5y = - 3x + 11

Divide both sides by 5

<h3>y =  -  \frac{ 3}{5} x +  \frac{11}{5}</h3>

Comparing with the general equation above

Slope = - 3/5

Since the lines are parallel their slope are also the same

Slope of parallel line = - 3/5

So the equation of the line using point

(15, 4) and slope - 3/5 is

<h3>y - 4 =  -  \frac{3}{5} (x - 15) \\y - 4 =  -  \frac{3}{5} x + 9 \\ y =  -  \frac{3}{5} x + 9 + 4</h3>

We have the final answer as

<h3>y =  -  \frac{3}{5} x + 13</h3>

Hope this helps you

8 0
3 years ago
Simplify 3 and 16/24
ad-work [718]

Answer:

4/8 and then 1/2so 1/2 is the final answer

5 0
3 years ago
Fourteen increased by 6 times a number is 32?
Sliva [168]
14 times 6 is 84, sorry if I didn’t understand your question
8 0
2 years ago
Read 2 more answers
Please help I did not get what I was supposed to do
Sladkaya [172]

Answer:

See below

Step-by-step explanation:

\sqrt[3]{49}  = 3.65930571002 \approx3.66 \\  \\ so \:  \sqrt[3]{49} should \: lie \: at \: 3.6 \: which \:  \\ fall \: between \: 3 \: and \: 4.

Actually Lin did a mistake, she obtained square root and not cube root.

8 0
2 years ago
Read 2 more answers
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