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ne 190.4 Question 7 of 10 (1 point) Question Attempt: 1 of 1 Commuting to work: A community survey sampled 1923 people in Colorado and asked them how long it took them Exparol commute to work each day. The sample mean one-way commute time was 25.9 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-0.10 level of significance and the critical value method with the critical Values for the Student's t Distribution Table. ul. Part 1 of 5 E (a) State the appropriate null and alternate hypotheses. PO <D D> (0.39 Ho u = 25 H: #25 This hypothesis test is a two-tailed test. u X 5 1.84 ng sert Part 2 of 5 Find the critical value(s). Round the answer(s) to at least three decimal places. If there is more than one critical value, separate them with commas. the Critical value(s): 1.646 1 mo Continue Submit Assignment

Question 7 of 10 ( point) | Question Altempt: 1 of 1 Brian Espanol Part 3 of 5 (b) Compute the value of the test statistic. Round the answer to at least three decimal places. 1 = 3.036 5 olio Part 4 of 5 Determine whether to reject H. Do not reject the null hypothesis H, х 5 Part: 4/5 Part 5 5 of 5 (c) State a conclusion Continue Submit Assignment

Espanol Part 4 of 5 Determine whether to reject Ho Do not reject the null hypothesis H. all. X Part: 4/5 Part 5 of 5 (c) State a conclusion There is not enough evidence to conclude that the mean commute time is greater than 25 minutes. х Continue Submit Assignment