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In a random sample of 28 ?people, the mean commute time to work was 30.1 minutes...

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Statistics

In a random sample of 28 ?people, the mean commute time to workwas 30.1 minutes and the standard deviation was 7.2 minutes. Assumethe population is normally distributed and use a? t-distribution toconstruct a 95?% 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 mu is:

What is the margin of error of mu??

Answer & Explanation Solved by verified expert
3.8 Ratings (482 Votes)
Solution Given thatPoint estimate sample mean 301sample standard    See Answer
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