If
the number of calls received per hour by a telephone answering
service is a Poisson random variable with parameter λ = 6, what is
the probability of waiting more than 15 minutes between any two
successive calls?
the number of calls received per hour by a telephone answering
service is a Poisson random variable with parameter λ = 6, what is
the probability of waiting more than 15 minutes between any two
successive calls?