1 Part: 0/2 Part 1 of 2 Continue = 2 Part: 1/2 Let's go to the movies: A random sample of 42 Hollywood movies made in the last 10 years had a mean length of 110.2 minutes, with a standard deviation of 12.3 minutes. Part 2 of 2 5 6 A 90% confidence interval for the true mean length of all Hollywood movies made in the last 10 years is <<0. 7 (a) Construct a 90% confidence interval for the true mean length of all Hollywood movies made in the last 10 years. Round the answers to one decimal place. McGraw Hill LLC. 1 Expaital (b) To date, there have been five movies released in the Bourne film series, and their mean length is 129 minutes. Someone claims that the mean length of Bourne movies is actually greater than the mean length of all Hollywood movies. Does the confidence interval contradict this claim? Explain. The confidence interval (Choose one) contradict this belief. X Terms of Use X Submit Assignment Privacy Center I Accessibility

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