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13. Suppose the average number of work hours per year, for your employees, has been 2,000 hours with a standard deviation of 169 hoiu's. Please

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13. Suppose the average number of work hours per year, for your employees, has been 2,000 hours with a standard deviation of 169 hoiu's. Please graph and calculate the probability that any random employee that you observe, will work between 2,450 and 2,750 hours next year. Carry answer out four decimal places

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