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In a 2003 study, the Accreditation Council for Graduate Medical Education found that medical residents’ mean...

  1. In a 2003 study, the Accreditation Council for Graduate Medical Education found that medical residents’ mean number of hours worked in a week is μ = 81 hours. Suppose the number of hours per week by medical residents is approximately normally distributed with a standard deviation of σ = 6.9 hours.

What is the probability that a randomly selected medical resident works less than 70 hours in a week?

What is the probability that a randomly selected medical resident works more than 100 hours in a week?

Math   Statistics-And-Probability   
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