You have been given this probability distribution for the holding-period return for a stock. What is the expected standard deviation for the stock return? Round your answer to 4 decimal places. For example if your answer is 3.205%, then please write down 0.0321. State of economy Boom21 Normal Recession Probability 40% 35% 25% return 21% 11% -9% Ent

You have been given this probability distribution for the holding-period return for a stock. What is the expected standard deviation for the stock return? Round your answer to 4 decimal places. For example if your answer is 3.205%, then please write down 0.0321