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Question 4 Commute times in the U.S. are heavily skewed to the right. We select a random sample of 500 Type numbers in the boxes. people from the 2000 U.S. Census who reported a non-zero commute time. 10 points In this sample, the mean commute time is 28.4 minutes with a standard deviation of 18.9 minutes. Can we conclude from this data that the mean commute time in the U.S. is less than half an hour? Conduct a hypothesis test at the 5% level of significance. What is the p-value for this hypothesis test? (Your answer should be rounded to 4 decimal places.)