document.write( "Question 420076: You buy 20 computers,3 of them are defective. Three computers are randomly selected and tested what is the probability that all three are defective if the first and second are not replaced after testing? \n" ); document.write( "
Algebra.Com's Answer #293601 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
\"%283%2F20%29%2A%282%2F19%29%2A%281%2F18%29+=+1%2F1140\" \n" ); document.write( "
\n" );