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Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain...

Assume that the Poisson distribution applies and that the mean number of hurricanes in a certain area is 6.9 per year. a. Find the probability​ that, in a​ year, there will be 4 hurricanes. b. In a 55​-year ​period, how many years are expected to have 4 ​hurricanes? c. How does the result from part​ (b) compare to a recent period of 55 years in which 5 years had 4 ​hurricnes? Does the Poisson distribution work well​ here? ​(Round to one decimal place as​ needed.)

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