Question 22 6.5 pts What is the standard deviation of the returns on a portfolio comprised of $5,400 of stock A and $6,600 of stock B? State of Economy Probability Returns if State Occurs of State of Stock A Stock B Economy Boom 36% 21% 13% Normal 64% 13% 5% 3.97 percent 2.91 percent 3.84 percent 2.66 percent 1.48 percent