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If the worldwide average rate of plane crashes is 5 per month, find the approximate probabilities...

If the worldwide average rate of plane crashes is 5 per month, find the approximate probabilities that

A. There are exactly 3 crashes next month

B. There are between 3 and 5 crashes next month (inclusive)

C. There are exactly 6 crashes during the next 2 months.

Math   Statistics-And-Probability   
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