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Using the formulas for the mean and standard deviation of a discrete random variable, calculate to 2 decimal places the mean and standard deviation for

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Using the formulas for the mean and standard deviation of a discrete random variable, calculate to 2 decimal places the mean and standard deviation for the population probability distribution of the table below. X P(x) 68 0.20 77 0.20 83 0.43 92 0.17 80.33 J = e Textbook and Media Assistance Used

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