The distribution of the ages of of all IRSC students is

Last updated: 3/13/2023

The distribution of the ages of of all IRSC students is known to be normally distributed with a mean of 23 0 years and a standard deviation of 4 6 years Use this information to determine the following probabilities Round solutions to four decimal places if necessary Find the probability that a random sample of 66 students has a mean age of greater than 24 8 years P 24 8 Find the probability that a random sample of 66 students has a mean age between 21 5 and 23 6 y 5 years P 21 5 23 6