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The joint PDF of X and Y is given by fX,Y(x, y) = c exp {-2/3(x^2...

The joint PDF of X and Y is given by

fX,Y(x, y) = c exp {-2/3(x^2 + xy + y^2 )}

(a) Find c and the correlation coe?cient of X and Y .

(b) Find the best least square estimator of Y based on X.

Math   Statistics-And-Probability   
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