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May 30, 2015

Homework Help: Math

Posted by Theresa on Wednesday, January 2, 2013 at 1:29pm.

The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job, the company's policy is a 23% allowance for workers. a) Compute the standard time for the bag-packing task. b) How many observations are necessary for 99% confidence, within 5% accuracy?

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