Question: (X1;X2) are bivariate Normal with meow1 = meow2 = 0; and sigma1 = sigma2 = 1; and correlation coefficient : Let R = x1^2 +

(X1;X2) are bivariate Normal with meow1 = meow2 = 0; and sigma1 = sigma2 = 1; and correlation coefficient : Let

R = x1^2 + x2^2 Find the constant c such that P(R <=c) = 0:8 in the following two cases:

= 0

= 0:2

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