In a random sample of 20 people, the mean commute time to work was 33.8 minutes and the standard deviation was 7.2 minut
Posted: Tue Jul 05, 2022 9:19 am
In a random sample of 20 people, the mean commute time to work was 33.8 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 90% 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 (CD). (Round to one decimal place as needed.) SIDE