Problem $2,$ calculate the same stock's standard deviation Economic State Probability of Economic State Return in Economic State Weighted Average Return Difference Squared Dif squared $*$ Probability Deep Recession $10\mathrm{.}00\%-25\mathrm{.}00\%$ Recession $20\mathrm{.}00\%-15\mathrm{.}00\%$ Base Case $40\mathrm{.}00\%5\mathrm{.}00\%$ Economic Expansion $20\mathrm{.}00\%25\mathrm{.}00\%$ Strong Economic Expansion $10\mathrm{.}00\%50\mathrm{.}00\%$ Variance $$ Standard Deviation $$