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(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?

(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?

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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.
Transcribed Image Text: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.
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