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X - 1,2,3,4 P(X=x)- 0.4, 0.3, 0.2, 0.1 Find the E(x) a possible value of (x)

X - 1,2,3,4

P(X=x)- 0.4, 0.3, 0.2, 0.1

Find the E(x) a possible value of (x)

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