A project has a 0.64 chance of doubling your investment in a year and a 0.36 chance of halving your investment in a year. What is the standard deviation of the rate of return on this investment? (Do not round intermediate calculations. Round your answer to 2 decimal places) Standard deviation References eBook & Resources Worksheet Learning Objective: 08-02 Calculate mean, variance, and covariance using either historical data or scenario analysis