Calculating Returns and Standard Deviations Based on the following information, calculate the expected return and standard deviation for the two stocks:

$\backslash$table$[[\backslash$table$[[$State of$],[$Economy$]],\backslash$table$[[$Probability of$],[$State of Economy$]],$Rate of Return if State Occurs$],[,$Stock A$,$Stock B$,],[$Recession$,\mathrm{.}25,\mathrm{.}06,-\mathrm{.}20],[$Normal$,\mathrm{.}55,\mathrm{.}07,\mathrm{.}13],[$Boom$,\mathrm{.}20,\mathrm{.}11,\mathrm{.}33]]$