Choose the correct option from the given alternative: If p.m.f. of a d.r.v. X is P (X = x) = ((c_(x)^5 ))/2^5 , for x = 0, 1, 2, 3, 4, 5 and = 0, otherwise If a = P (X $\leq$ 2) and b = P (X $\geq$ 3), then E (X ) =

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If p.m.f. of a d.r.v. X is P (X = x) = ((c_(x)^5 ))/2^5 , for x = 0, 1, 2, 3, 4, 5 and = 0, otherwise If a = P (X $\leq$ 2) and b = P (X $\geq$ 3), then E (X ) = a = b

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