6010概率中等derivationmedium

No Orders Routed to Venue C

题目

Orders arrive as a Poisson process at rate $\lambda=20$ per minute and are independently routed to venue A, B, or C with probabilities $0.5$ , $0.25$ , and $0.25$ . What is the probability that venue C receives no orders during the next 6 seconds?

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表达式

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