7) Suppose that the number of accidents occurring on a highway each day is a Poisson random variable with parameter A = 3. (a) Find the probability that 3 or more accidents occur today. (b) Repeat part (a) under the assumption that at least 1 accident occurs today.

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7)
Suppose that the number of accidents occurring on a highway each day is a
Poisson random variable with parameter A = 3.
(a) Find the probability that 3 or more accidents occur today.
(b) Repeat part (a) under the assumption that at least 1 accident occurs today.
Transcribed Image Text:7) Suppose that the number of accidents occurring on a highway each day is a Poisson random variable with parameter A = 3. (a) Find the probability that 3 or more accidents occur today. (b) Repeat part (a) under the assumption that at least 1 accident occurs today.
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