Benefits of diversification. 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 $M$ alone? Hint. Find the standard deviations of asset $M$ and of the portfolio equally invested in assets $M,N,$ and $O.$

Data table

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$\backslash$table$[[$States$,$Probability,Asset M Return,Asset N Return,Asset O Return$],[$Boom$,25\%,14\%,25\%,2\%$