Using historical records, the personnel manager of a plant has determined the probability distribution of X, the

Question:

Using historical records, the personnel manager of a plant has determined the probability distribution of X, the number of employees absent per day. It is

a. Find the following probabilities.

P12 ≤ X ≤ 52

P(X > 5)

P(X < 4)

b. Calculate the mean of the population.

c. Calculate the standard deviation of the population.

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...