The weights of all students at a large university have an approximately normal distribution with a mean

Question:

The weights of all students at a large university have an approximately normal with a mean of 145 pounds and a standard deviation of 18 pounds. Let be the mean weight of a random sample of certain students selected from this university. Calculate the mean and standard deviation of and describe the shape of its sampling for a sample size of
a. 25
b. 100
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...