Question: Correlation, joint density, variance (1) Let X and Y have joint density my+1 0S$SLOS9S1 0 otherwise fXY($7y) = { Compute the correlation p(X, Y). (2)

Correlation, joint density, variance

(1) Let X and Y have joint density my+1 0S$SLOS9S1 0 otherwise fXY($7y) = { Compute the correlation p(X, Y). (2) Let X1, X2, X3 be independent random variables, each having mean 0 and variance 1. Compute the correlation p(X1 + X2, X2 + X 3)

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