Statistics

An investment strategy has an expected return of 15 percent and a standard deviation of 12 percent. Assume investment returns are bell shaped.

How likely is it to earn a return between 3 percent and 27 percent? (Enter your response as decimal values (not percentages) rounded to 2 decimal places.)

How likely is it to earn a return greater than 27 percent?(Enter your response as decimal values (not percentages) rounded to 2 decimal places.)

How likely is it to earn a return below −9 percent?(Enter your response as decimal values (not percentages) rounded to 2 decimal places.)