document.write( "Question 279678: How would you figure the probability of choosing 2 cards from a deck and getting 2 kings or 2 black cards?\r
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document.write( "Well for starters with picking two black cards you have a fifty fifty Shot. Thw reson for this is because there is and even amount of black cards and red cards/ You have 26 of each. When it comes to picking out two kings. You will have aboue a 3.8 percent chance of accomplishing this. To figue this all you need to do is take 2/52=.038 move the decimal to the right two spots and you have 3.8%. Hope this helps you!!! \n" );
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Algebra.Com's Answer #203302 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! How would you figure the probability of choosing 2 cards from a deck and getting 2 kings or 2 black cards? \n" ); document.write( "------- \n" ); document.write( "P(2kings or 2 black cards) = P(2 kings) + P(2 black cards) - P(2k and 2b) \n" ); document.write( "= 4C2/52C2 + 26C2/52C2 - 1/52C2 \n" ); document.write( "------------- \n" ); document.write( "= [4C2 + 26/2 -1]/52C2 \n" ); document.write( "--- \n" ); document.write( "= [6 + 325 - 1]/52C2 \n" ); document.write( "--- \n" ); document.write( "= 330/1326 \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |