Answer:
Find the mean of the sampling distribution of xC-xT
Calculate and interpret the standard deviation of the sampling distribution. Verify that the 10% condition is met.
Justify that the shape of the sampling distribution
Step-by-step explanation:
2.4 letters. Both distributions of word length are unimodal and skewed to the right. Independent random samples of 40 words
Since you have y alone on one side of the equation......
Use substitution and plug in 1/2x-4 for y in the other equation.

Distribute

Combine like terms

Add 8 to both sides

Divide by 4
and 
Plug this value in for x

Simplify

Multiply everything by 8 and simplify

Divide.....

Your answers are:

Each class had 3.5 gallons of paint to paint with and 3 classes used 10.5 gallons of paint
Answer:
D
Step-by-step explanation:
To determine the scale factor calculate the ratio of corresponding sides, image to original, that is
=
= 8 → D
Answer:
2.24 g
Step-by-step explanation:
.56 x 4