Question

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?


a Bag breaks open; included as delay in the allowance factor.
b Conveyor jams; included as delay in the allowancefactor.


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  • CreatedJuly 23, 2013
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