Suppose it is known that the time spent by customers in a fast-food restaurant is a normally distrib
Question: Suppose it is known that the time spent by customers in a fast-food restaurant is a normally distributed variable with a mean of 25 minutes and a standard deviation of 8 minutes. What is the probability that a random sample of 20 customers will yield a mean between 23 and 28 minutes, inclusive?
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Deliverables: Word Document
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[Solution] The Editor of the Prescott Daily Disappointment, Archie Smiley, and Robert Pencil Warren are worried #12191
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Solution: Give the probability that corresponds to the shaded region of the histogram. #10854
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