Stocks X and Y have the following probability distributions of expected future returns: Calculate the coefficient of variation (CV) for a) Stock x. b) Stock Y. c) Using CV as your sole decision making criterion, which stock is a better investment? a) 1.21; b) 1.68; c) Stock X a) 0.83; b) 0.59; c)stock Y a) 0.83; b) 0.59; c) Stock X a) 1.21; b) 1.68; c)Stock Y