Question

On the average, there is one new customer calling in to a call center every 20...

On the average, there is one new customer calling in to a call center every 20 minutes. Assume the
number of calls follows the Poisson process.


(a) What is the probability that in the next 40 minutes, exactly 3 new customers will call?
(b) What is the probability that there are no calls in the next hour?

Math   Statistics-And-Probability   
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