An investment strategy has an expected return of 12 percent and a standard deviation of 10 percent. Assume investment returns are bell shaped. a. How likely is it to earn a return between 2 percent and 22 percent? (Enter your response as decimal values (not percentages) rounded to 2 decimal places.) b. How likely is it to earn a return greater than 22 percent? (Enter your response as decimal values (not percentages) rounded to 2 decimal places.)