Posted by **Anonymous** on Sunday, October 23, 2011 at 7:20pm.

A factory has two machines that produce bolts. Machine I produces 80% of the daily output of bolts, and 9% of its bolts are defective. Machine II produces 20% of the daily output, and 5% of its bolts are defective.

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**Brian**, Monday, October 24, 2011 at 12:07am
So what is the question?

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**Anonymous**, Sunday, May 1, 2016 at 6:58am
idiots

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