Mike bought a stock and he found that the stock has an expected return of 19.5% with a standard deviation of 7%. Suppose that returns are normally distributed, Mike believed that approximately 95 percent of the time the return on the stock will be
A) between 7% and 19.5%. B) between 8% and 35.5%. C) between -4.% and 38.5%. D) between 5.5% and 33.5%. Explain your answer