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Suppose that the commuting time on a particular train is uniformly distributed between 67 and 87...

Suppose that the commuting time on a particular train is uniformly distributed between 67 and 87 minutes. a. What is the probability that the commuting time will be less than 72 minutes? b. What is the probability that the commuting time will be between 70 and 82 minutes? c. What is the probability that the commuting time will be greater than 84 minutes? d. What are the mean and standard deviation of the commuting time?

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