# Properties of Expectation

- E(cX) = E(X) x c
- E(X+Y) = E(X) + E(Y)
- E(X2) â‰ [E(X)]2
- E(XY) = E(X) x E(Y) [if X and Y are independent]

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- E(cX) = E(X) x c
- E(X+Y) = E(X) + E(Y)
- E(X2) â‰ [E(X)]2
- E(XY) = E(X) x E(Y) [if X and Y are independent]

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