.2 Homework ( Question 1, 5.2.17-T ) HW Score: U.- U of ? points F'a r23: 0 Points: 0 of l In a random sample of 2? people, the mean commute time to work was 32.6 minutes and the standard deviation was 12 minutes. Assume the population is normally distributed and l use a tdistribution to construct a 90% confidence interval for the population mean u. What is the margin of error of p? Interpret the results. The confidence interval for the population mean p is [ 30.2, 35.0]. [Round to one decimal place as needed.) The margin of error of u is D. (Round to one decimal place as needed.)