Mathematics, 09.07.2020 02:01 exoticbunnylover123
The 2008 Workplace Productivity Survey, commissioned by LexisNexis and prepared by WorldOne Research, included the question, "How many hours do you work at your job on a typical workday?" Let X = the number of hours a legal professional works on a typical workday. Imagine that X is normally distributed with a known standard deviation of 12.6. A sample of 250 legal professionals was surveyed, and the sample's mean response was 9 hours. Use the sample information to estimate mu , the mean number of hours a legal professional works on a typical workday. The sampling distribution of X bar is normal with a mean equal to the unknown population mean and a standard deviation of 0.7969. The 95% interval estimate of the population mean mu is LCL = to UCL = .
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The 2008 Workplace Productivity Survey, commissioned by LexisNexis and prepared by WorldOne Research...
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