Sarah's Portfolio Has an Expected Annual Return at 8%,with an Annual

Multiple Choice

Sarah's portfolio has an expected annual return at 8%,with an annual standard deviation at 12%.If her investment returns are normally distributed,then in any given year Sarah has approximately ______________________.

A) A 50% chance that the actual return will be greater than 8%
B) About a 68% chance that the actual return will fall within 4% and 20%
C) About a 68% chance that the actual return will fall within -20% and 20%
D) About a 95% chance that the actual return will fall within -4% and 28%.