A stock has an expected rate of return of 14.2 percent and a standard deviation of 23.4 percent. Which one of the following best describes the probabilty that this stock will lose more than 1/3 of Its value in any one year? A stock has an expected rate of return of 14.2 percent and a standard deviation of 23.4 percent. Which one of the following best describes the probabilty that this stock will lose more than 1/3 of Its value in any one year