1 10 points the monthly worldwide average number of plane crashes of c
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Question
1. (10 points) The monthly worldwide average number of plane crashes of commercial airlines is Poisson distributed with an average of 1.5. (a) (5 points) What is the probability that
there will be at least 3 such accidents in a month? (b) (5 points) What is the probability that there is at most one accident in the next month?