Homework Help: MAT 115

Posted by G on Thursday, November 4, 2010 at 10:03pm.

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?

MAT 115 - G, Thursday, November 4, 2010 at 10:04pm
I know we are supposed to estimate, but I am very confused about the problem. Pplease help me by showing your work.
MAT 115 - Ms. Sue, Thursday, November 4, 2010 at 10:05pm
1/50 * 120 = ?
MAT 115 - G, Thursday, November 4, 2010 at 10:11pm
so would it be 3 bottles an hour, so around 72 bottles?
MAT 115 - Ms. Sue, Thursday, November 4, 2010 at 10:19pm
1/50 * 120 = 120/50 = 2.4

About how many defective
bottles should Julio allow before rejecting the entire line?

He should allow only 2 defective before he rejects the entire line.

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