document.write( "Question 936732: An inspector tests a factor run of 4,000 pens she selects 100 pens and finds that 3 are defective about how many pens in the factory run should she expect to be defective \n" ); document.write( "
Algebra.Com's Answer #570217 by 428225(90)\"\" \"About 
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4000/100=40
\n" ); document.write( "3*40=120
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\n" ); document.write( "She should expect 120 pens to be defective in the factory run.
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