Consider the following table for Stocks A and B

Economy Probability of Return Return on A Return on B

Good 20% 15% 20%

Normal 50% 10% 8%

Bad 30% 5% -10%

Calculate the following and show calculations/calculator keys

a. Expected return, Standard Deviation, and Coefficient of Variation of Stock A

b. Expected return, Standard Deviation, and Coefficient of Variation of Stock B

c. Which stock is better A or B and why?

d. Expected Return on Portfolio (70% in stock A and 30% in Stock B)

e. Standard Deviation of Portfolio (70% in stock A and 30% in Stock B)

Could you please help me break down this question? Thank you!