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What is the standard deviation of returns on a stock priced today at $10 that has a 25.0% probability of increasing to $13, a 50.0%
What is the standard deviation of returns on a stock priced today at $10 that has a 25.0% probability of increasing to $13, a 50.0% probability of increasing to $12, a 15.0% probability of increasing by 5.0%, and a 10.0% probability of decreasing to $ 7?
0.0286
0.0968
0.1692
0.0094
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