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A study found that highway drivers in one state traveled at an average speed of 61.2 miles per hour (MPH). Assume the population standard deviation

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A study found that highway drivers in one state traveled at an average speed of 61.2 miles per hour (MPH). Assume the population standard deviation is 6.2MPH. Complete parts a through d below. a. What is the probability that a sample of 30 of the drivers will have a sample mean less than 60 MPH? P(x

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