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A census of labor force in a large metropolitan area found that the t people...

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A census of labor force in a large metropolitan area found that the t people to commute to work has a mean of 20 5 minutes and a stan 15 4 minutes What is the probability that a random sample of 40 p mean commute time that is greater than 25 minutes OP Z 20 5 25 z Pz P 2 O 25 20 5 15 4 39 20 5 25 15 4 40 25 20 5

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