Background data: Norman Bates has just inherited \$40,000....

Question

# Background data: Norman Bates has just inherited \$40,000....

Background data: Norman Bates has just inherited \$40,000.  Consultants identified guest showers as the most significant use of water. They calculated that the lengths of guest showers at the Bates Motel are normally distributed with a mean of 10 minutes and a standard deviation of 3 minutes.

Question: Suppose on a particular Tuesday night two years ago there were eight guests
checked into the hotel and that each guest took exactly one shower. What is the
probability that the average length of the eight showers was more than 12 minutes?

Solved by verified expert

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10,000 step-by-step explanations

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## Step-by-step explanation

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