Suppose that the number of accidents in a given highway during a 1-month period has a Poisson distribution, and the average rate of accidents is 4 per month. Find the probability that the number of accidents in a 2-month period will be strictly between 3 and 9.

Q: Find mode of Poisson distribution.

A:

Q: at least one accident occurs today

A: let Us take the pmf of Poisson Distribution is P(X=x)=l-λλxx! ; λ>0,X=0,1.... given mean λ=2

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A:

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