In: Finance
You have done your research for the following investments and your friend has provided their expectations for the markets for next year.
| 
 State of Economy  | 
 Probability of State of Economy  | 
 Stock A  | 
 Stock B  | 
 Stock C  | 
 Stock D  | 
 T-bills  | 
 Stock Market  | 
| 
 Boom  | 
 .30  | 
 20%  | 
 25%  | 
 20%  | 
 -10%  | 
 3%  | 
 20%  | 
| 
 Normal  | 
 .40  | 
 15%  | 
 12%  | 
 16%  | 
 15%  | 
 3%  | 
 15%  | 
| 
 Recession  | 
 .30  | 
 -16%  | 
 -15%  | 
 -8%  | 
 25%  | 
 3%  | 
 -8%  | 
a. risk for stock A = 15.33%
b. risk for stock B = 15.87%
c. risk for stock C = 11.90%
d. risk for stock D = 14.045
e. risk for T-bills = 0%
f. risk for stock market = 11.71%


Please do rate me and mention doubts, if any, in the comments section.