For random samples of size n = 25 selected from a normal distribution with a mean of

Question:

For random samples of size n = 25 selected from a normal with a mean of µ = 50 and a standard deviation of σ = 20, find each of the following:
a. The range of sample means that defines the middle 95% of the of sample means.
b. The range of sample means that defines the middle 99% of the of sample means.
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...