Homework Help: Math

Posted by A.W. on Friday, November 21, 2008 at 10:03pm.

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

Math - Ms. Sue, Friday, November 21, 2008 at 10:18pm
1/50 * 120 = 2 2/5

Since he needs to find more than 2 2/5 defective bottles, he should reject the entire line when he finds that 3 are defective.

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