Table 2. Scenario Analysis* Probability Stock X Stock Y Bear Market 0.2' -20%+' -15%+' Normal Market 0.5-' 18%+' 20% Bull Market 0.3-' 50%+' 10%+' 13. Refer to Table 2. + a. What are the expected returns for stocks X and Y?* b. What are the standard deviation of returns on stocks X and Y? + Assume that of your $10,000 portfolio, you invest $9,000 in stock X and $1,000 in stock Y. What is the expected return on your portfolio?* c