Solved: Suppose it is known from large amounts of
Chapter 4, Problem 3.35(choose chapter or problem)
Suppose it is known from large amounts of historical data that X, the number of cars that arrive at a specic intersection during a 20-second time period, is characterized by the following discrete probability function: f(x)=e6 6x x! , for x =0 ,1,2,....(a) Find the probability that in a specic 20-second time period, more than 8 cars arrive at the intersection. (b) Find the probability that only 2 cars arrive.
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