document.write( "Question 1177654: A bag contains 5 blue marbles, 4 white marbles and 3 red marbles. If three marbles are randomly selected from the bag,what is the probability that the marbles selected will be the same color? \n" ); document.write( "
Algebra.Com's Answer #806758 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "Hi\r\n" ); document.write( "12 Marbles: 5B 4W 3R\r\n" ); document.write( "Choose 3: 12C3 all ways this can be done\r\n" ); document.write( "\r\n" ); document.write( "P(3 are same color) = P(B) + P(W) + P(R) = [5C3 + 4C3 + 3C3]/12C3 = (10+4+1/220 = 15/220 = 3/44 0r .0681\r\n" ); document.write( "\r\n" ); document.write( "Wish You the Best in your Studies.\r\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |