Let X and Y be a bivariate random variable with correlation coefficient 1/2, and standard deviation 2 and 3 respectively, then Cov (X,Y) is

Let X and Y be a bivariate random variable with correlation coefficien

1.	Let X and Y be a bivariate random variable with correlation coefficient 1/2, and standard deviation 2 and 3 respectively, then Cov (X,Y) is
A.	1/3
B.	3
C.	6
D.	1/6
Answer» C. 6

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Let X and Y be a bivariate random variable with correlation coefficient 1/2, and standard deviation 2 and 3 respectively, then Cov (X,Y) is

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