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Mathematics, 03.04.2020 18:24 kragland4752

The time between calls to a corporate office is exponentially distributed with a mean of 10 minutes.

(a) What is the probability that there are more than three calls in one-half hour?
(b) What is the probability that there are no calls within one-half hour?
(c) Given that in the first 15 minutes, there are no calls to the office. What is the probability that there will be (at least) one call in the next half hour?

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