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(See Solution) Vacation Days A U.S. Travel Data Center survey reported that Americans stayed an average of 7.5 nights when they went on vacation. The sample

Question: Vacation Days A U.S. Travel Data Center survey reported that Americans stayed an average of 7.5 nights when they went on vacation. The sample size was 1500 . Find a point estimate of the population mean. Find the \(95 \%\) confidence interval of the true mean. Assume the population standard deviation was 0.8.

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