Question: step by step Question 7 (3 Marks) You need to estimate the mean number of travel days per year for outside salespeople. The mean of

step by step Question 7 (3 Marks) You need to estimate

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Question 7 (3 Marks) You need to estimate the mean number of travel days per year for outside salespeople. The mean of a small pilot study was 150 days, with a standarddeviation of 17 days. If you must estimate the population mean within 2 days, how many outside salespeople should you sample? Use the 95%confidence level

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