Question

Solve the problem

A random sample of 140 employees in a textiles manufacturing company was

chosen in order to determine their retirement plan after age 65. Those selected in

the sample were divided into management and production. The results were:

Plans after Age 65

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Employee Retire (R) Not Retire (N) Total

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Management (M) 70 20 90

Production (P) 32 18 50

Total 102 38 140

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Suppose that an employee is selected at random from this group. Find the

following probabilities.

a. that employee is a production employee

b. that the employee is a management employee and who plans to retire

c. that the employee does not plan to retire

d. that the employee does not plan to retire given that he/she is a production

employee.

Answer 1