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Stress on the job is a major concern of a large number of people who go...

Stress on the job is a major concern of a large number of people who go into managerial positions. It
is estimated that 80% of the managers of all companies suffer from job-related stress.


a. What is the probability that in a sample of 200 managers of companies, exactly 150 suffer from
job-related stress?
b. Find the probability that in a sample of 200 managers of companies, at least 170 suffer from
job-related stress.
c. What is the probability that in a sample of 200 managers of companies, 165 or fewer suffer from
job-related stress?
d. Find the probability that in a sample of 200 managers of companies, 164 to 172 suffer from
job-related stress.

math   Statistics-And-Probability   
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