document.write( "Question 1116518: In a razor blade factory, machines A,B and C manufacture 25%, 35% and 40% of the total output respectively. of their outputs, 5%, 4% and 2% are defective razor blades. A razor blade is chosen at random and found to be defective. \r
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Algebra.Com's Answer #731404 by ikleyn(52781)\"\" \"About 
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