Based on the following information, calculate the expected return and standard deviation:

$\backslash$table$[[$State of Economy,$\backslash$table$[[$Probability of State of$],[$Economy$]],\backslash$table$[[$Rate of Return if State$],[$Occurs$]]],[$Depression$,0\mathrm{.}15,-0\mathrm{.}184],[$Recession$,0\mathrm{.}30,0\mathrm{.}029],[$Normal$,0\mathrm{.}45,0\mathrm{.}173],[$Boom$,0\mathrm{.}10,0\mathrm{.}372]]$