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What is the standard deviation of a random variable q with the following probability distribution? (Do not round intermediate calculations. Enter your answer in numbers
What is the standard deviation of a random variable q with the following probability distribution? (Do not round intermediate calculations. Enter your answer in numbers not in percentage. Round your answer to 4 decimal places.)
| Value of q | Probability | ||
| 0 | 0.22 | ||
| 1 | 0.21 | ||
| 2 | 0.57 | ||
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