In: Finance
a. Expected Return: Discrete Distribution
A stock's return has the following distribution:
| Demand for the Company's Products  | 
Probability of This Demand Occurring  | 
Rate of Return if This Demand Occurs (%)  | 
||
| Weak | 0.1 | -40% | ||
| Below average | 0.2 | -8 | ||
| Average | 0.4 | 13 | ||
| Above average | 0.2 | 40 | ||
| Strong | 0.1 | 65 | ||
| 1.0 | ||||
Calculate the standard deviation. Round your answer to nearest two decimal places.
b. The market and Stock J have the following probability distributions:
| Probability | rM | rJ | 
| 0.3 | 16% | 19% | 
| 0.4 | 8 | 5 | 
| 0.3 | 18 | 10 | 
Calculate the standard deviation for the market and Stock J. Round your answer to nearest two decimal places.