Question: Phone calls arrive at a rate of = 0.2/h. What is the probability that there are no Calls in 10 h? What is the

Phone calls arrive at a rate of λ = 0.2/h. What is the probability that there are no Calls in 10 h? What is the probability that a call arrives during the 45 s you spend in the bathroom?
Find the probabilities of the above events. Find the associated p.d.f., c.d.f., and survivorship function, and give the expectation and variance.

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