A population of scores forms a normal distribution with a mean of = 40 and a

Question:

A population of scores forms a normal distribution with a mean of μ = 40 and a standard deviation of σ = 12.

a. What is the probability of randomly selecting a score less than X = 34?

b. What is the probability of selecting a sample of n = 9 scores with a mean less than M = 34?

c. What is the probability of selecting a sample of n = 36 scores with a mean less than M = 34?

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...