In a random sample of 29 people, the mean commute time to work was 33.3 minutes and the standard deviation was 7.1 minutes. Assume the population is normally distributed and use a t-distribution to construct a 99% confidence interval for the population mean u. What is the margin of error of u? Interpret the results. The confidence interval for the population mean u is ( | D. Round to one decimal place as needed.)

MATLAB: An Introduction with Applications
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In a random sample of 29 people, the mean commute time to work was 33.3 minutes and the standard deviation was 7.1 minutes. Assume the population is normally
distributed and use a t-distribution to construct a 99% confidence interval for the population mean u. What is the margin of error of µ? Interpret the results.
The confidence interval for the population mean p is ( D.
(Round to one decimal place as needed.)
Transcribed Image Text:In a random sample of 29 people, the mean commute time to work was 33.3 minutes and the standard deviation was 7.1 minutes. Assume the population is normally distributed and use a t-distribution to construct a 99% confidence interval for the population mean u. What is the margin of error of µ? Interpret the results. The confidence interval for the population mean p is ( D. (Round to one decimal place as needed.)
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