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Let X and Y are said to be independent variable, the E[x] = , E[Y] = 3/4 , Var[X] = 1/5 and Var[Y] = 2/7
Let X and Y are said to be independent variable, the E[x] = , E[Y] = 3/4 , Var[X] = 1/5 and Var[Y] = 2/7 . a. E[ 2x "-3y" "-4]" b. Var[3x "-5y" + ]
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