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22-05-2023
Mathematics

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Which one of the following options describes correctly the general relationship among the quantities
E(X), E[X(X - 1)] and Var (X).
A© Var(X) = EX(X - 1)] + E(X) + E(X)?
BNO1VaF(X)=EIx(x-11-EX+125
C© Var (X) = BIX (X - 1)] - E(X) - [E(X)1?
DVar(X) = E[X(X - 1)] + E(X) - (E(X)F°

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