You are a stock analyst working for United Nilfgaard Bank and have just been given updated economic forecasts by another team bank. Based on those forecasts, you estimate the following expected returns for next year for Sonic Health Care (one of the firms you are assigned to cover): Economic State Probability Return (next year) Boom 0.10 20.00% Normal 0.39 11.00% Recession 0.51 0.00% A) What is the expected standard deviation of Sonic Health Care in the coming year? (Round your answer to two decimal places - e.g. 188.88% and not 189%)