Returns on ABC, Inc. are forecast to be the following

Probability 0.25 Return 30% 15% -14% 0.65 0.10 (3 of 10) Returns on ABC, Inc. are forecast to be the following: State Boom Normal Bust What is the standard deviation of this company's stock? 11.82% 11.56% 11.32% 11.07% 10.83%