1 Part 0 5 3 Part 1 of 5 4 5 Commuting to work A...
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1 Part 0 5 3 Part 1 of 5 4 5 Commuting to work A community survey sampled 1923 people in Colorado and asked them how long it took them to commute to work each day The sample mean one way commute time was 25 7 minutes with a standard deviation of 13 minutes A transportation engineer claims that the mean commute time is greater than 25 minutes Do the data provide convincing evidence that the engineer s claim is true Use the a 0 05 level of significance and the P value method with the TI 84 Plus calculator a State the appropriate null and alternate hypotheses Ho H This hypothesis test is a Choose one test 6 X O 0 0 P 3 E d
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