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I need help solving the following question in excel. The distribution of the number of home runs in soft ball games is shown here. number

I need help solving the following question in excel.

The distribution of the number of home runs in soft ball games is shown here.

number of home runs 0 1 2 3 4 5
probability .05 .16 .41 .27 .07 .04

a. Calculate the mean number of home runs

b. What is the standard deviation?

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