document.write( "Question 685654: a box consists of 12 light bulbs, of which 3 are defective. If you select 2 at random, without replacement, find the probability that none of the light bulbs are defective \n" ); document.write( "
Algebra.Com's Answer #424564 by stanbon(75887)\"\" \"About 
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a box consists of 12 light bulbs, of which 3 are defective. If you select 2 at random, without replacement, find the probability that none of the light bulbs are defective
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\n" ); document.write( "Note: # of defective = 3 ; # not-defective = 9
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\n" ); document.write( "P(none of 2 are defective) = 9C2/12C2 = 36/66 = 6/11
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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