document.write( "Question 950150: A bag contains 10 red, 3 white and 6 blue marbles. Two are selected at random without replacement. What is the probability that both are blue? \n" ); document.write( "
Algebra.Com's Answer #580121 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bag contains 10 red, 3 white and 6 blue marbles. Two are selected at random without replacement. What is the probability that both are blue? \n" ); document.write( "---- \n" ); document.write( "# of blue pairs:: 6C2 = 15 \n" ); document.write( "--- \n" ); document.write( "# of random pairs:: 19C2 = 19(9) = 171 \n" ); document.write( "---- \n" ); document.write( "P(blue pair) = 15/171 \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " |