document.write( "Question 314346: A card is selected from a deck of 52 playing cards. Find the probability of selecting
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document.write( "1. a prime number under 10 given the card is a heart
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document.write( "2. a spade or a club given the card is black
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document.write( "3. a queen, given the card is not a spade.\r
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document.write( "Here's how I did number 1:
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document.write( "13 cards are hearts but only 4 of them are prime (2, 3, 5,7)
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document.write( "so, 4/13. \r
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document.write( "Please help with number 2 and 3. Thank you so much. \n" );
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Algebra.Com's Answer #224706 by stanbon(75887) ![]() You can put this solution on YOUR website! A card is selected from a deck of 52 playing cards. Find the probability of selecting \n" ); document.write( "1. a prime number under 10 given the card is a heart \n" ); document.write( "--- \n" ); document.write( "13 cards are hearts but only 4 of them are prime (2, 3, 5,7) \n" ); document.write( "so, 4/13. \n" ); document.write( "Good \n" ); document.write( "---------------------------- \n" ); document.write( "2. a spade or a club given the card is black \n" ); document.write( "# of spade or club = 26 \n" ); document.write( "# of black = 26 \n" ); document.write( "P(spade or club given black) = 26/26 = 1 \n" ); document.write( "------------------------------------------------ \n" ); document.write( "3. a queen, given the card is not a spade. \n" ); document.write( "# of \"not spade\" cards : 39 \n" ); document.write( "# of queen that are not spade: 3 \n" ); document.write( "-------- \n" ); document.write( "P(queen,not spade) = 3/39 = 1/13 \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============================= \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |