(Continued from the previous question) What is the standard deviation of returns? Enter your answer as a decimal, rounded to 4 decimal places. Answer: You have observed the following returns on stock A over the past four years; 15%, 4%,13%, and 34%. What is the expected return on the stock based on its returns over this four-year period? Enter your answer as a decimal. rounded to 4 decimal places. Answer: 0.1000