Use the following probability distribution to answer the next 2 questions: Prob Return of A -10% 4% 6% .2 18% 17. What is the expected return for stock A? amount of compensatie sted with an individual securi a. 2.50% b. 5.20% C. 4.50% d. 4.60% 18. What is the standard deviation of stock A's returns? a. 20.10% b. 8.90% c. 19.88% d. 9.04% 2332