Consider the following information:

$\backslash$table$[[\backslash$table$[[$State of Economy$],[$Recession$],[$Normal$],[$Boom$.]],\backslash$table$[[$Probability of State$],[$of Economy$]],$Rate of Return if State Occurs$],[$Stock $A,$Stock B$],[\mathrm{.}22,\mathrm{.}07,-\mathrm{.}22],[\mathrm{.}52,10,\mathrm{.}07],[\mathrm{.}26,15,\mathrm{.}24]]$

a$.$ Calculate the expected return for Stocks A and $B.($Do not round intermediate calculations and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$ Calculate the standard deviation for Stocks A and B$.($Do not round intermediate calculations and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

$\backslash$table$[[$a$.$ Stock A expected return,,$\%$