For a distribution in which X = 100, SX = 16, and N = 500: (a) What

Question:

For a in which X = 100, SX = 16, and N = 500:
(a) What is the relative frequency of scores between 76 and the mean?
(b) How many participants are expected to score between 76 and the mean?
(c) What is the percentile of someone scoring 76?
(d) How many subjects are expected to score above 76? 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...