Question: find the expected value e(x). x= 4,5,6,7,8 and p(x=x) = 0.2, 0.2, 0.1, 0.1, 0.4.

find the expected value e(x). x= 4,5,6,7,8 and p(x=x) = 0.2, 0.2, 0.1, 0.1, 0.4.

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