document.write( "Question 497072: 4.We draw 7 cards from a well shuffled deck of 52 cards.
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document.write( "a) What is the probability that the 7 cards include exactly 3 aces?
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document.write( "b) What is the probability that the 7 cards include exactly 2 queens?
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document.write( "c) What is the probability that the 7 cards include exactly 3 aces,or 2
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document.write( " queens,or both? \n" );
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Algebra.Com's Answer #336675 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 4.We draw 7 cards from a well shuffled deck of 52 cards. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "a) What is the probability that the 7 cards include exactly 3 aces? \n" ); document.write( "Pick 3 aces: 4C3 = 4C1 = 4 ways \n" ); document.write( "--- \n" ); document.write( "Pick 5 other cards: 48C5 \n" ); document.write( "--- \n" ); document.write( "Probability = (4*48C5)/52C7 = 0.0512 \n" ); document.write( "----------------------------------------- \r \n" ); document.write( "\n" ); document.write( "b) What is the probability that the 7 cards include exactly 2 queens? \n" ); document.write( "Prob = (4C2*48C5)/52C7 = 0.0548 \n" ); document.write( "--------------------------\r \n" ); document.write( "\n" ); document.write( "c) What is the probability that the 7 cards include exactly 3 aces,or 2 \n" ); document.write( "queens,or both? \n" ); document.write( "Prob = 0.0512+0.0548 + [(4*6*44C2)]52C7 = 0.1062 \n" ); document.write( "================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |