The standard deviation of return on investment A is .10 while the standard deviation of return on investment B is .04. If the correlation coefficient between the returns on A and B is -.50, the covariance of returns on A and B is __________.

The standard deviation of return on investment A is .10 while the standard deviation of return on investment B is .04. If the correlation coefficient between the returns on A and B is -.50, the covariance of returns on A and B is __________. 



A) -.0447
B) -.0020
C) .0020




Answer: B


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