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In a mid size company the distribution of the number of phone calls answered each...

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In a mid size company the distribution of the number of phone calls answered each day by each of the 12 receptionists is bell shaped and has a mean of 54 and a standard deviation of 10 Using the empirical rule what is the approximate percentage of daily phone calls numbering between 24 and 84 Use 68 95 99 7 and do not enter the percent symbol ans

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