Question: Calls to a telephone system follow a Poisson distribution with a mean of five calls per minute. (a) What is the name applied to the

Calls to a telephone system follow a Poisson distribution with a mean of five calls per minute.
(a) What is the name applied to the distribution and parameter values of the time until the tenth call?
(b) What is the mean time until the tenth call?
(c) What is the mean time between the ninth and tenth calls?

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