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The waiting time(in minutes) for customers at a driveinbank
$2.00$1.00Question: The waiting time(in minutes) for customers at a driveinbank is an exponentially distributed random variable. The average(mean) time a customer waits is 4 minutes. What is the probability that a customer waits more than 5 minutes?

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The waiting time (in minutes) for customers at a driveinbank is an exponentially distributed
$2.00$1.00Question:
The waiting time (in minutes) for customers at a driveinbank is an exponentially distributed random variable. The average(mean) time a customer waits is 4 minutes. What is the probability that a customer waits more than 5 minutes?