The Amounts of Time Employees of a Telecommunications Company Have

Multiple Choice

The amounts of time employees of a telecommunications company have worked for the company are normally distributed with a mean of 5.4 years and a standard deviation of 2.1 years. Random samples of size 12 are
Drawn from the population and the mean of each sample is determined.

A) 5.4 years, 0.61 years
B) 5.4 years, 0.18 years
C) 1.56 years, 0.61 years
D) 1.56 years, 2.1 years