How much time do commuters living in or near cities spend commuting to work each week? The accompanying commuting time data contains the average weekly commuting time in U.S. cities. Complete parts (a) through (d) below. LOADING... Click the icon to view the commuting time data. Question content area bottom Part 1 a. Construct a % confidence interval estimate for the population mean commuting time. enter your response here enter your response here (Type integers or decimals rounded to two decimal places as needed.) Part 2 b. Interpret the interval constructed in (a). Choose the correct answer below. A. % of the sample data fall between the limits of the confidence interval. B. The mean weekly commuting time of % of all samples of the same size for are contained in the interval. C. Conclude with % confidence that the population mean weekly commuting time is contained in the confidence interval. D. Conclude with % confidence that the mean weekly commuting time for the sample is contained in its interval. Part 3 c. What assumption do you need to make about the population to construct the interval in (a)? Choose the correct answer below. A. The commuting times of the