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Proportions 1. State police believe that 70% of the drivers traveling on a major interstate exceed the speed limit. They plan to set up a

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Proportions 1. State police believe that 70% of the drivers traveling on a major interstate exceed the speed limit. They plan to set up a radar trap and check 80 cars a) What are : u (p^) and s(p^) b) Is the Normal Dist appropriate? Check conditions c) Find the probability that the sample proportion is greater than .77 So: P (p^ > .77) d) Find the 93% confidence interval for the true proportion of drivers that exceed the speed limit; given that in the sample of 80 cars , 52 were found to exceed the speed limit e) Is the claim correct? Explain why or why not in complete sentences

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