Question: A butcher uses a machine that packages ground beef in three-pound portions. A sample of47 packages of ground beef has a standard deviation of 4.48ounces.

A butcher uses a machine that packages ground beef in three-pound portions. A sample of47 packages of ground beef has a standard deviation of 4.48ounces. Construct a99% confidence interval to estimate the standard deviation of the weights of all packages prepared by the machine. Round to twodecimal places.

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