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velikii [3]
3 years ago
12

Hotel managers wish to learn the average length of stay of all visitors that are senior citizens. A statistician determines that

to calculate a 90% confidence level estimate of the average length of stay to within +/- 1.5 days, a total of 65 senior visitors’ check-in/check-out records will have to be examined. How many records should be looked at to obtain a 90% confidence level estimate to within +/- 0.5 days?

Mathematics
1 answer:
LiRa [457]3 years ago
8 0

The answer & explanation for this question is given in the attachment below.

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