In a random sample of 28people, the mean commute time to work was 34.6minutes and the standard devia 1 answer below »

In a random sample of 28people, the mean commute time to work was 34.6minutes and the standard deviation was 7.2minutes. 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.The confidence interval for the population mean ? is

 

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