A stock's returns have the following distribution: Calculate the stock's a) expected return, b) standard deviation, and c) coefficient of variation. a) 5.50%; b) 3.22%; c) 0.59 a) 5.50%; b) 17.95%; c) 3.26 a) 3.00%; b) 18.12%; c) 6.04 a) 3.00%; b) 17.95%; c) 3.26