A chemical supply company currently has in stock 100 pounds of a certain chemical, which it sells

Question:

A chemical supply company currently has in stock 100 pounds of a certain chemical, which it sells to customers in 5 pound lots. Let x = the number of lots ordered by a randomly chosen customer. The probability of x is as follows:

a. Calculate and interpret the mean value of x.
b. Calculate and interpret the variance and standard deviation of x.

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...