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

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Algebra

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In a mid size company the distribution of the number of phone calls answered each day by each receptionist is bell shaped and has a mean of 42 and a standard deviation of 12 Using the empirical rule what is the approximate percentage of daily phone calls between 18 and 42 do not put the percent symbol Part 2 of 3 00 X 1 9 What is the percent between 30 and 54 do not put the percent symbol

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