A group of employees of Unique Services will be surveyed abo

A group of employees of Unique Services will; be surveyed about a new pension plan. In-depth interviews with each employee selected in the sample will be conducted. The employees are classified as follows. Classification Event Number of Employees Supervisors A 120 Maintenance B 50 Production C 1,460 Management D 302 Secretarial E 68 What is the probability that the first person selected is either in maintenance or in secretarial A. 0.200 B. 0.015 C. 0.059 D.

Solution

P = (50+68)/(50+68+1460+302+120) = 0.059