# Question: Using historical records the personnel manager of a plant has

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 thepopulation.

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 thepopulation.

## Relevant Questions

Use a probability tree to compute the probability of the following events when flipping two fair coins.a. Heads on the first coin and heads on the second coinb. Heads on the first coin and tails on the second coinc. Tails on ...Refer to Exercise 7.22. Determine the mean and variance of the number of games played.a. Alcoa (AA) (25%), Home Depot (HD) (25%), International Business Machines (IBM) (25%), Travelers (TRV) (25%)b. AA (10%), HD (50%), IBM (20%), TRV (20%)c. AA (30%), HD (20%), IBM (10%), TRV (40%)d. Which portfolio would a ...a. Canadian Imperial Bank of Commerce (CM) (25%), Enbridge (ENB) (25%), Potash Corporation of Saskatchewan (POT) (25%), Power Corporation of Canada (POW) (25%),b. CM (15%), ENB (55%), POT (15%), POW (15%)c. CM (10%), ENB ...Refer to Exercise 7.22.a. Determine the probability distribution of the amount of money the arcade takes in per child.b. Use the probability distribution to calculate the mean and variance of the amount of money the arcade ...Post your question