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A stock has a 40-percent probability of a 40-percent return, a 35-percent probability of a 50-percent return, and a 25-percent probability of a 25-percent return.
A stock has a 40-percent probability of a 40-percent return, a 35-percent probability of a 50-percent return, and a 25-percent probability of a 25-percent return. What is the standard deviation?
12.39 percent
9.55 percent
8.59 percent
10.05 percent
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