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Problem 5-9 What is the standard deviation of a random variable q with the following probability distribution? (Do not round intermediate calculations. Enter your answer

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Problem 5-9 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 a Probability 0.20 0.20 2.60 2 Standard deviation

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