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Find the probability that a commuter waits

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Reference no: EM132857198

A subway train on SEPTA arrives every seven minutes during rush hour. We are interested in the length of time a commuter must wait for a train to arrive. The time is uniformly distributed.

a. Define the random variable.

b Graph the probability distribution.

c. What is the mean and the standard deviation of X?

d. Find the probability that a commuter waits between three and four minutes.

Reference no: EM132857198

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