Suppose the returns on an asset are normally distributed. The historical average annual return for the asset was 6 percent and the standard deviation was 18.5 percent. a. What range of returns would you expect to see 95 percent of the time? (A negative answer should be indicated by a minus sign. Enter your answers for the range from lowest to highest. Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. What range would you expect to see 99 percent of the time? (A negative answer should be indicated by a minus sign. Enter your answers for the range from lowest to highest. Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) % a. 95% level b. 99% level % to % to de de %