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A random varable x assumes the vallues 0, 1 and 2 with respective probabilities 1/4, 2/4 and 1/4 Find E (X).

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A random varable x assumes the vallues 0, 1 and 2 with respective probabilities 1/4, 2/4 and 1/4 Find E (X).

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The given probability distribution of x is

X 0 1 2
P(x) 1/4 2/4 1/4

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