A normally distributed population has a mean of 500 and a standard deviation of 60. Determine the probability that a random sample of size 25 selected from the population will have a sample mean greater than or equal to 515.
A) 0.1056
B) 0.1761
C) 0.0712
D) 0.0151

Question

Quizplus · Accepted Answer

The correct answer is A because the probability that a random sample of size 25 selected from the population will have a sample mean greater than or equal to 515 is 0.1056.

A Normally Distributed Population Has a Mean of 500 and a Standard