A previous analysis of paper boxes showed that the the standard deviation of their lengths is 9 millimeters. a packer wishes to find the 98% confidence interval for the average length of a box. how many boxes does he need to measure to be accurate within 3 millimeters?
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Home » Mathematics » A previous analysis of paper boxes showed that the the standard deviation of their lengths is 9 millimeters. a packer wishes to find the 98% confidence interval for the average length of a box.