A call center receives calls from customers at a rate of 2 per min. The time between customer calls follows an exponential distribution.
(a) What is the probability that it takes 1/3 of a minute or less between consecutive customer calls?
(b) What is the probability that it take 1/2 of a minute or more between consecutive customer calls?

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The Answer of A call center receives calls from customers at a rate of 2 per min. The time between customer calls follows an exponential distribution.
(a) What is the probability that it takes 1/3 of a minute or less between consecutive customer calls?
(b) What is the probability that it take 1/2 of a minute or more between consecutive customer calls?

A Call Center Receives Calls from Customers at a Rate