Question: In the 2000 census, the so-called long form received by one of every six households contained 52 questions, ranging from your occupation and income all

In the 2000 census, the so-called “long form” received by one of every six households contained 52 questions, ranging from your occupation and income all the way to whether you had a bathtub. According to the U.S. Census Bureau, the mean completion time for the long form is 38 minutes. Assuming a standard deviation of 5 minutes and a simple random sample of 50 persons who filled out the long form, what is the probability that their average time for completion of the form was more than 45 minutes?

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