Homework: Section ... Part 1 of O Points: 0 of 1 Save In a random sample of seven people, the mean driving distance to work was 21.0 miles and the standard deviation was 7 2 milos Assume the population is normally distributed and use the I-distribution to find the margin of error and construct a 98% confidence interval for the population mean p. Interpret the results. identify the margin of error, [Round to one decimal place as noodod.)