[Step-by-Step] A 2003 study found that medical student’s mean number of hours worked in a week is 81.7. Suppose the number of hours worked per week by medical
Question: A 2003 study found that medical student’s mean number of hours worked in a week is 81.7. Suppose the number of hours worked per week by medical residents is approximately normally distributed with a standard deviation of 6.9 hours.
What is the probability that a randomly selected medical resident works more than 100 hours in a week?
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![[Solved] Construct a 99% confidence interval for](/images/solutions/MC-solution-library-50126.jpg "[Solved] Construct a 99% confidence interval for the proportion")
![[Steps Shown] Determine the critical value Z](/images/solutions/MC-solution-library-50129.jpg "[Steps Shown] Determine the critical value Z that corresponds")
