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QUESTION 4 Let random variables X and Y be independent with the same variance 0.2 . Which one the following must be correct? ||a. Var(0.5X

QUESTION 4 Let random variables X and Y be independent with the same variance 0.2 . Which one the following must be correct? ||a. Var(0.5X + 0.5Y) = 0.502 o b. Var(0.5X+ 0.5Y) = 02 O c. Var(X + 0.5Y) = 1.50!2 0 d. Var(0.5X 0.5Y) = 0

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