Following details are available about stock XYZ 25% chance that the return of the stock will be 14% 18% chance that the return of the stock will be 16% 28% chance that the return of the stock will be 18% and 29% chance that the return of the stock will be 15% Calculate the average return and risk of the stock and interpret your answer.

Note: Kindly use formulas for solving and don't use excel.