1) A financial analyst is analyzing two investment alternatives Stock A and Stock B. Their rates of returns under different probabilities are as follows: Probability 0.20 0.60 0.20 Stock A %22 %14 %-4 Rate of Return Stock B %5 %15 %25 a) For Stock A and Stock B, determine expected rate of return, variance, and standard deviation? b) Which asset is less risky investment? Calculate the coefficient of variation and make interpretation