Mathematics, 23.07.2019 09:50, EmiSiddiqi4037

Aprevious 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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Aprevious analysis of paper boxes showed that the the standard deviation of their lengths is 9 milli...