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Mathematics, 28.11.2019 00:31 gabriel5575

It is reasonable to model the number of winter storms in a season as with a poisson random variable. suppose that in a good year the average number of storms is 4, and that in a bad year the average is 5. if the probability that next year will be a good year is 0.6 and the probability that it will be bad is 0.4, find the expected value and variance in the number of storms that will occur.

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