Using the correct answers from the previous question, what is the standard deviation of each stock? Enter your answer as a percentage rounded to 2 decimal places. Please show steps :) Thank you

Stock "a" Stock "b" Recession -5% 8% Probabilities (Pi) P1 = 28% P2 37% |P3 35% Normal 2% -2% Boom 20% 21% What is the expected return of each stock? Enter your answers as a percentage rounded to 2 decimal places. Do not enter the percentage sign in your answer. ra = 6.34 Correct response: 6.34+0.01 ry= 8.85 Correct response: 8.85+0.01