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)![]() ![]() ![]() 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( " |