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Question: this question is based upon the earthquake example from lectures...

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This question is based upon the earthquake example from lectures this week: Suppose that X is the number of earthquakes in a 1-year period, and that X has the Poisson pmf with A- 3.1 quakes per year. IfY is the number of earthquakes in a 4-year period, what is the mean of Y, E(M)? O3.1 earthquakes D 6.2 earthquakes 12.4 earthquakes D 3226 years 0806 years 0 None of the above
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