I need Please double check your work !!

Over the past three years, a stock produced returns of 6 percent, 15 percent, and - 3 percent, respectively. Based on these three years, what range of returns would you expect to see 95 percent of the time? -12 percent to 24 percent -21 percent to 33 percent 0 percent to 12 percent -3 percent to 15 pereent