A grocery store's receipts show that Sunday customer purchases have a skewed distribution with a mean of

Question:

A grocery store's receipts show that Sunday customer purchases have a skewed with a mean of $32 and a standard deviation of $20.
a) Explain why you cannot determine the probability that the next Sunday customer will spend at least $40.
b) Can you estimate the probability that the next 10 Sunday customers will spend an average of at least $40? Explain.
c) Is it likely that the next 50 Sunday customers will spend an average of at least $40? Explain.
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...