13.) Use the following information to calculate the expected value, standard deviation of returns, and coefficient of variation for Asset Z.

a. 23.00%; 47.00%; 0.49

b. 18.33; 25.32%; 1.38

c. 7.85%; 8.39%; 1.07

d. 23.54%; 17.25%; 0.73

Asset Z \begin{tabular}{ccc} \hline Possible Outcomes & Probability & Returns \\ \hline Pessimistic & 0.18 & 9% \\ Most likely & 0.47 & 23% \\ Optimistic & 0.35 & 41% \end{tabular}