It is estimated that 4 out of 5 men prefer showers to baths. Find the mean and

Question:

It is estimated that 4 out of 5 men prefer showers to baths. Find the mean and standard deviation for the distribution of men who prefer showers to baths.

The mean of a geometric distribution is μ = 1/p, and the standard deviation is σ = √q/p², where p = the probability of the outcome and q = 1 − p.

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...