P7-10 Calculate the expected return, variance and standard deviation for the shares in the table below e its mean, variance and Next, form an equally weighted portfolio of all three s standard deviation. hares and calculat State of the economy Probability Returns in each state of the economy Cyeli-Cal IncH 40% 10% -20% Home Grown Corp Boom Expansion Recession 20% 50% 30% 20% 40% -30% 20% 10% -10%