Standard deviation of the returns for Stock A is 0.75. Whereas returns for Stock B have a standard deviation of 0.35. The covariance between the stocks' returns is 0.25. The variance of a portfolio composed of 45% of Stock A and 55% of Stock B is O 0.2912 O 0.2747 O 0.2555 O 0.2967 O 0.2500 inorlock.com is sharing your screen. Stop sharing