Answer to Question #48470 in Statistics and Probability for iesha

Question

A certain bond fund over the last 12 years has had a mean yearly return of 5.9% with a standard deviation of 1.8%.
A. If you had invested in this fund over the past 12 years, in how many of these years would you expect to have learned at least 8% on your investment?
B. In how many years would you expect to have earned less than 4%?