You need to estimate the mean number of travel days per year for outside salespeople. The mean of a small pilot study wa
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You need to estimate the mean number of travel days per year for outside salespeople. The mean of a small pilot study wa
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 standard deviation of 40 days. If you must estimate the population mean within 8 days, how many outside salespeople should you sample? Use the 95 percent confidence level. (Round up your answer to the next higher whole number.) Number of outside salespeople
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