Passengers arrive at a train station according to a
Chapter , Problem 12(choose chapter or problem)
Passengers arrive at a train station according to a Poisson process with rate and, independently, trains arrive at the same station according to another Poisson process, but with the same rate . Suppose that each time a train arrives, all of the passengers waiting at the station will board the train. Let X(t) = 1, if there is at least one passenger waiting at the train station for a train; let X(t) = 0, otherwise. Let N (t) be the number of times the continuous-time Markov chain $ X(t): t 0 % changes states in [0, t]. Find the probability mass function of N (t).
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