Question 15 (1 point) You have a portfolio with 60% invested in stock A and 40% invested in stock B. What is the expected return and standard deviation of the portfolio. Prob. A B Economy Weak Average Strong 0.5 0.3 0.2 -12% 8% 13% 5% 7% 15% 4.2%, 6.4% 2.4%, 8.0% 4.2%, 6,5% B 2.4%, 7.9%