Expected Returns and Standard Deviations Based on the following information, calculate the expected return and standard deviation for stock A$.$ State of EconomyProbability of the stateRate of return if state occurs $($stock A$)$Recession$0\mathrm{.}15-0\mathrm{.}20$Normal$0\mathrm{.}600\mathrm{.}11$Boom$0\mathrm{.}250\mathrm{.}35$