A random sample of size 150 is taken from the population of the ages of juniors enrolled

Question:

A random sample of size 150 is taken from the population of the ages of juniors enrolled at a large university during one semester. This population has mean 21.1 years and standard deviation 2.6. The population is not normal.
(a) Is it reasonable to assume a normal for the sample mean ? Why or why not?
(b) Find the probability that lies between 20.85 and 21.54 years.
(c) Find the probability that exceeds 25.91 years. Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...