# Question: Telephone calls arrive at a doctor s office according to a

Telephone calls arrive at a doctor’s office according to a Poisson process on the average of two every 3 minutes. Let X denote the waiting time until the first call that arrives after 10 a.m.

(a) What is the pdf of X?

(b) Find P(X > 2).

(a) What is the pdf of X?

(b) Find P(X > 2).

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