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please help, show all the steps QUESTION 2 [12 Marks] The number of accidents per day on the Golden high way follows a Poisson distribution

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QUESTION 2 [12 Marks] The number of accidents per day on the Golden high way follows a Poisson distribution with parameter 2.25. (a) Calculate the mean and standard deviation of the number of accidents per day. (5) (b) On how many days in December would you expect the number of accidents to be within one standard deviation of the mean? (7)

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