Author Question: If a population is normally distributed, then the sampling distribution for the sample mean will ... (Read 38 times)

maychende · **on:** Jun 24, 2018

If a population is normally distributed, then the sampling distribution for the sample mean will always be normally distributed regardless of the sample size.

Indicate whether the statement is true or false

Question 2

A regional hardware chain is interested in estimating the proportion of their customers who own their own homes.

There is some evidence to suggest that the proportion might be around 0.70. Given this, what sample size is required if they wish a 90 percent confidence level with a margin of error of .025?
A) About 355
B) Approximately 910
C) Almost 1,300
D) 100