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A stock returned 13 percent, 18 percent, -16 percent and -1 percent annually for the past four years. The standard deviation of these returns is
A stock returned 13 percent, 18 percent, -16 percent and -1 percent annually for the past four years. The standard deviation of these returns is given as 15.29 percent. Assuming that the stock's returns are normally distributed, what is the 99.74 percent probability range for any one given year?
-42.4% to 49.4%
-27.1% to 34.1%
-11.8% to 18.8%
-47.1% to 52.3%
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