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Random Variablesmedium
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Let XXX and YYY be independent random variables with E[X]=2E[X]=2E[X]=2, Var(X)=1Var(X)=1Var(X)=1, E[Y]=3E[Y]=3E[Y]=3, Var(Y)=2Var(Y)=2Var(Y)=2. What is E[X2+Y2]E[X^2 + Y^2]E[X2+Y2]?