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9) In a random sample of 24 people, the mean

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9) In a random sample of 24 people, the mean commute time to work was 34.3 minutes and the standard deviation

was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 99% confidence interval for the population mean mu. What is the margin of error of mu? Interpret the results. ATTACHMENT PREVIEW Download attachment

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