i really need some help figurinng this out. its my last attenpt and i dont understand what im doing wrong.

Sally Rogers has decided to invest her wealth equally across the following three assets: ? What are her expected returns and the risk from her investment in the three assets? How do they compare with investing in asset Malone? Hint Find the standard deviations of asset Mand of the portfolio equally invested in assets M, N, and O. What is the expected return of investing equally in all three assets M, N, and o? % (Round to two decimal places.) Data table 4. 2.9 (Click on the following loon in order to copy its contents into a spreadsheet) States Probability Asset M Return Asset N Return Boom 32% 13% 23% Normal 52% 11% 15% Recession 16% 3% ar Auct Return 5% 11% 139 5% Print Done