n a random sample of  style=”color:rgb(0,0,0);”>19
19 ​people, the mean commute time to work was 34.4
34.4 minutes and the standard deviation was 7.3
7.3 minutes. Assume the population is normally distributed and use a​ t-distribution to construct a 99
99​% confidence interval for the population mean mu
μ. What is the margin of error of mu
μ​? Interpret the results.

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