A television station sells advertising in 15-, 30-, 60-, 90-, and 120-second blocks. The distribution of sales

Question:

A television station sells advertising in 15-, 30-, 60-, 90-, and 120-second blocks. The of sales for one 24-hour day is given.

(a) Find the mean, variance, and standard deviation of the probability distribution,
(b) Interpret the results.

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...