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In an effort to estimate the mean length of stay for motel guests at a major national motel chain, the decision makers asked for a

In an effort to estimate the mean length of stay for motel guests at a major national motel chain, the decision makers asked for a 95 percent confidence, and a margin of error of 0.25 days. Further, it was known that the population standard deviation is 1.50 days. What is the required sample size to estimate the mean length of stay?

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