A normal distribution has a mean of = 54 and a standard deviation of =

Question:

A normal has a mean of µ = 54 and a standard deviation of σ = 6.
a. What is the probability of randomly selecting a score less than X = 51?
b. What is the probability of selecting a sample of
n = 4 scores with a mean less than µ = 51?
c. What is the probability of selecting a sample of
n = 36 scores with a mean less than µ = 51?
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...