Mathematics

19 May, 13:27

In a random sample of 2424 people, the mean commute time to work was 30.730.7 minutes and the standard deviation was 7.17.1 minutes. assume the population is normally distributed and use a t-distribution to construct a 9898 % confidence interval for the population mean muμ. what is the margin of error of muμ ? interpret the results.

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