Suppose that the number of accidents occurring on a highway each day is a Poisson  random variable with parameter λ=3.1 i. Find the probability that 3 or more accidents occur today  ii. Find the probability that no accident occur today

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Suppose that the number of accidents occurring on a highway each day is a Poisson 
random variable with parameter λ=3.1
i. Find the probability that 3 or more accidents occur today 
ii. Find the probability that no accident occur today 

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