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QJulio works as a quality control expert in a beverage factory

Julio works as a quality control expert in a beverage factory. The assembly line that he monitors produces about 20,000 bottles in 24-hour period. Julio samples 120 bottles an hour and rejects the line if 1/50 of the sample is defective. About how many defective bottles should Julio allow before rejecting the entire line?


I tried to mutiply 120 by 1/50. I am not sure where to start on this one.

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#1ZaneleAnswered at 2013-03-08 13:57:48
(1/50)*120 = 2.4 He should allow 2 defective; on finding the 3th he should shut down the line. Cheers, Stan H.
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