document.write( "Question 566307: Tamika has $2.50 in quarters in her pocket,including four stgate quarters. She reaches into her pocket and takes out two quarters, one at a time. What is the probablility that they are both state quarters?
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Algebra.Com's Answer #366182 by stanbon(75887) ![]() You can put this solution on YOUR website! Tamika has $2.50 in quarters in her pocket,including four state quarters. She reaches into her pocket and takes out two quarters, one at a time. What is the probablility that they are both state quarters? \n" ); document.write( "---- \n" ); document.write( "She has 10 quarters; 4 of them are state quarters. \n" ); document.write( "---- \n" ); document.write( "# of ways to pick 2 state quarters: 4C2 = 6 \n" ); document.write( "# of ways to pick 2 quarters randomly: 10C2 = 45 \n" ); document.write( "-------------------------------------------------- \n" ); document.write( "P(2state quarters) = 6/45 = 2/15 \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " |