document.write( "Question 1025598: a lot 0f 100 semiconductor chips contains 10 that are defective.
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Algebra.Com's Answer #641046 by FrankM(1040)\"\" \"About 
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a) the 2nd chip defective = 10/100 or 10%\r
\n" ); document.write( "\n" ); document.write( "b) all 3 = 10/100 * 9/99 * 8/97 = .000749 or .075%
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