document.write( "Question 452878: Five cards are drawn from a standard 52 card declk. What is the probibility that the first 2 cards are red?\r
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document.write( "I put the formula as 26! / (26!-2!)*2!
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document.write( "But I'm not sure its right.
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document.write( "Please help, thanks. \n" );
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Algebra.Com's Answer #311222 by stanbon(75887) ![]() You can put this solution on YOUR website! Five cards are drawn from a standard 52 card declk. What is the probibility that the first 2 cards are red? \n" ); document.write( "I put the formula as 26! / (26!-2!)*2! \n" ); document.write( "--------------------------------------------- \n" ); document.write( "# of ways to get 2 red: 26C2 \n" ); document.write( "----- \n" ); document.write( "# of ways to get 3 black: 26C3 \n" ); document.write( "-------- \n" ); document.write( "# of 5 card hands: 52C5 \n" ); document.write( "---------------------------------- \n" ); document.write( "P(2 red then 3 black) = 26C2*26C3/52C5 = 845,000/2598960 = 0.3251 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=================== \n" ); document.write( " |