document.write( "Question 322009: There are 9 beads in a bag. 3 beads are red, 3 beads are blue, and 3 beads are black. If two beads are chosen at random, what is the probability that they are both blue?\r
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document.write( "A. 1/81 B. 1/12 C. 2/9 D. 1/3 E. 1/4
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Algebra.Com's Answer #230487 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! There are 9 beads in a bag. 3 beads are red, 3 beads are blue, and 3 beads are black. If two beads are chosen at random, what is the probability that they are both blue? \n" ); document.write( "--- \n" ); document.write( "# of ways to get 2 blue: 3C2 = 3 \n" ); document.write( "# of ways to select 2 marbles randomly: 9C2 = 36 \n" ); document.write( "--- \n" ); document.write( "P(2 blue) = 3/36 = 1/12 \n" ); document.write( "============================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============================= \n" ); document.write( "A. 1/81 B. 1/12 C. 2/9 D. 1/3 E. 1/4 \n" ); document.write( " \n" ); document.write( " |