The time between arrivals of customers at the drive-up

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The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes. a. What is the probability that the arrival time between customers will be 7 minutes or less? b. What is the probability that the arrival time between customers will be between 3 and 7 minutes?

Reference no: EM13642443

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