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(4pt) The variance of random variable X is 4 and the variance of random variable Y is 16. The correlation coefficient between

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Solution:- var (x)= 4, that van(y) = 16 given cocon CX, 4) = 0.9. cov (x, y) = cowo ( *.4). van(x) · Vanly) e 0.9 * 16x4 0.9x

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