The number of traffic accidents on successive days are, Ask an Expert

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The number of traffic accidents on successive days are independent Poisson random variable with mean 2.

a) Find the probability that 3 of the next 5 days have no accidents.

b) Find the probability that there are a toal of 6 accidents over the next 2 days.

c) If each accident is independently a "major accident" with probability p, what is the probability that there are no major accidents tomorrow?

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