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Aleksandr-060686 [28]

3 years ago

5

Suppose you have a normally distributed set of data pertaining to a standardized test. The mean score is 500 and the standard de

viation is 100. What is the z-score of 450 point score?

1 answer:

Zinaida [17]3 years ago

4 0

I don't know the answer but I am sure you could go on Khan Academy to find the answer and a tutorial fully explaining how to solve it in the future.

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Johns grade on his math test was 94 his grade on the second test was 85 what is the percent change in his grade to the nearest p

Olenka [21]

Answer:

req percentage change=9.5744%

Step-by-step explanation:

change=94-85=9

%change= $\frac{9\times100}{85}$

%change = $\frac{900}{85}$

%change =9.5744%

4 0

3 years ago

nadezda [96]

Answer:

Get Wolfram Aplha

Step-by-step explanation:

wolframalpha.com

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3 years ago

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Darian is asked to determine the volume of a cylindrical pipe for his dad’s plumbing business. The pipe has a diameter of 7 inch

Salsk061 [2.6K]

Answer:

D

Step-by-step explanation:

a- Multiply the square of 7/2 by 3.14

b-Multiply 36 and 36

c-Multiply 7 and 7

d-Multiply the square of 36 by 3.14

7 0

3 years ago

12a +5 identify the coefficient

ioda

Answer:

The coefficient is "12"

Step-by-step explanation:

Step 1: Encircle the variable along with its power whose coefficient we are finding.

Step 2: Leave that variable and consider all other numbers or variables written with it. That will be the coefficient.

4 0

2 years ago

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Find the inverse of f(x) = 3x - 2.

SSSSS [86.1K]

Answer:

x=0.6

Step-by-step explanation:

f(×)=3x-2 , 0=3x-2

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3 years ago