document.write( "Question 616963: A card is drawn from a deck of cards numbered 1-20. The card is NOT replaced and another card is drawn. Find the probability that a prime number is drawn and then a composite number. I am totally lost...Please help...thank you \n" ); document.write( "
Algebra.Com's Answer #388049 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A card is drawn from a deck of cards numbered 1-20. The card is NOT replaced and another card is drawn. Find the probability that a prime number is drawn and then a composite number. I am totally lost...Please help...thank you
\n" ); document.write( "-----------
\n" ); document.write( "The primes are 2,3,5,7,11,13,17,19
\n" ); document.write( "Non-primes are 1,4,6,8,9,10,12,14,15,16,18,20
\n" ); document.write( "----------------------------
\n" ); document.write( "P(select prime, then non-prime) = (8/20)(12/19) = (2/5)(12/19) = 24/95
\n" ); document.write( "=======================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "===================
\n" ); document.write( "
\n" );