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25-10-2022
Mathematics

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the mean number of hours that a jetblue pilot flies monthly is 49 hours. assume that this mean was based on actual flying times for a sample of 100 jetblue pilots and that the sample standard deviation was 8.5 hours. * at 95% confidence what is the margin of error? * what is the 95% confidence interval estimate of the population mean flying time for the pilots?

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