document.write( "Question 246828: A bag contains 5 blue marbles, 6 red marbles, and 9 green marbles. Two marbles are drawn at random, what is the probability of selecting two red marbles?
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Algebra.Com's Answer #180173 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bag contains 5 blue marbles, 6 red marbles, and 9 green marbles. Two marbles are drawn at random, what is the probability of selecting two red marbles? \n" ); document.write( "----------------------------------- \n" ); document.write( "# of ways to select two red: 6C2 = 15 \n" ); document.write( "# of ways to select two from the bag: 20C2 = 190 \n" ); document.write( "--- \n" ); document.write( "P(2 red) = 15/190 = 3/38 \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |