Question 2 10 pts Find the (a) expected return, (b) standard deviation and (c) coefficient of variation for this stock of ABC Co. RABC Prob. 100% 0.40 10% 0.20 -50% 0.40 ABC's expected return, standard deviation, and coefficient of variation are: 22.0%, 67.3%, 3.06 20.0%, 78.1%, 3.91 20.0%, 68.3%, 3.41