The interval between patients arriving at an outpatient clinic follows an exponential distribution at a rate of 1 patient per hour.What is the probability that a randomly chosen arrival interval will be less than 20 minutes?

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The Answer of The interval between patients arriving at an outpatient clinic follows an exponential distribution at a rate of 1 patient per hour.What is the probability that a randomly chosen arrival interval will be less than 20 minutes?

The Interval Between Patients Arriving at an Outpatient Clinic Follows