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)