>> Business Economics
The historical returns on a balanced portfolio have had an average return of 8% and a standard deviation of 12%. Assume that returns on this portfolio follow a normal distribution. Use the empirical rule for normal distributions to answer the following questions.
a. What percentage of returns were greater than 20%? (Round your answer to the nearest whole percent.)
b. What percentage of returns were below −16%? (Round your answer to 1 decimal place.)