Question 9 2.27 pts Assume stock returns follow a normal or bell-shaped distribution. Assume for a particular stock. The expected return is 5% and the standard deviation is 12%. There is a 68.3% probability that the actual return earned by the investor during a given year will be between --- ---- and --------- -7%: 17% -31%: 41% -12%: 26% -19%: 29%