Problem $11-5$ Calculating Returns and Standard Deviations

You have been given the following information:

$\backslash$table$[[\backslash$table$[[$State of$],[$Economy$]],\backslash$table$[[$Probability of$],[$State of$],[$Economy$]],$Rate of Return if State Occurs$],[$Stock $A,$Stock B$],[$Recession$,\mathrm{.}17,08,-\mathrm{.}12],[$Nori$,\mathrm{.}58,\mathrm{.}11,\mathrm{.}17],[$Boo$,\mathrm{.}25,\mathrm{.}16,\mathrm{.}34]]$

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

Answer is not complete.

$\backslash$table$[[$a$.$ Stock A expected return,$11\mathrm{.}74,\%$