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The following probability distribution of returns are given for Stock X: Economy Returns Probability Very Good 20% 0.2 Good 40% 0.4 Average 10% 0.3 Poor
The following probability distribution of returns are given for Stock X: Economy Returns Probability Very Good 20% 0.2 Good 40% 0.4 Average 10% 0.3 Poor -10% 0.1 Calculate the standard deviation of returns for the Stock.
| 20.8% |
| 16.6% |
| 6.4% |
| 18.8% |
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