Consider the following information:

$\backslash$table$[[,,$Rrobability of State of Return if State Occurs,$],[,,,],[$State of Economy,of Economy,Stock A$,$Stock B$],[$Recession$,15,\mathrm{.}04,-15],[$Normal$,\mathrm{.}61,\mathrm{.}07,\mathrm{.}14],[$Boom$,\mathrm{.}24,12,\mathrm{.}31]]$

a$.$ Calculate the expected return for Stocks A and B$.($Do not round intermediare 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,,$\%$