Author Question: Given an infinite population with a mean of 75 and a standard deviation of 12, the probability that ... (Read 48 times)

audie · **on:** Jun 24, 2018

Given an infinite population with a mean of 75 and a standard deviation of 12, the probability that the mean of a sample of 36 observations, taken at random from this population, is less than 78 is:
a. 0.9332 c. 1.5000
b. 0.5987 d. None of these choices.

Question 2

Correlation analysis is used to determine whether there is a linear relationship between an independent variable x and a dependent variable y.
Indicate whether the statement is true or false