Suppose the returns on an asset are normally distributed. The historical average annual return for the asset was 6.7 percent and the standard deviation was 12.6 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... 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 -16.00 -25.26 % to 240 39.16 % %