2-18 Last year, at Northern Manufacturing Company, 200 people had colds during the year. One hundred fifty- five people who did no exercising had colds, and the remainder of the people with colds were involved in a weekly exercise program. Half of the 1,000 employees were involved in some type of exercise. (a) What is the probability that an employee will have a cold next year? (b) Given that an employee is involved in an exer- cise program, what is the probability that he or she will get a cold next year? (c) What is the probability that an employee who is not involved in an exercise program will get a cold next year? (d) Are exercising and getting a cold independent events? Explain your answer.

2-18 Last year, at Northern Manufacturing Company, 200 people had colds during the year. One hundred fifty- five people who did no exercising had colds, and the remainder of the people with colds were involved in a weekly exercise program. Half of the 1,000 employees were involved in some type of exercise. (a) What is the probability that an employee will have a cold next year? (b) Given that an employee is involved in an exer- cise program, what is the probability that he or she will get a cold next year? (c) What is the probability that an employee who is not involved in an exercise program will get a cold next year? (d) Are exercising and getting a cold independent events? Explain your answer.

Managerial Economics: A Problem Solving Approach

5th Edition

ISBN:9781337106665

Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor

Publisher:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor

Chapter17: Making Decisions With Uncertainty

Section: Chapter Questions

Problem 17.2IP

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