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Random Variablesmedium
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Given two random variables XXX and YYY with Cov(X,Y)=2Cov(X, Y) = 2Cov(X,Y)=2, Var(X)=1Var(X) = 1Var(X)=1, and Var(Y)=16Var(Y) = 16Var(Y)=16, calculate the correlation coefficient ρ(X,Y)\rho(X, Y)ρ(X,Y).