document.write( "Question 1146242: A box contains 2 red, 4 white and 2 green balls. Two balls are drawn out of the box in succession without replacement. What is the probability that both balls are the same color? \n" ); document.write( "
Algebra.Com's Answer #767534 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! there are 8 balls in the box \n" ); document.write( ": \n" ); document.write( "we can draw 2 red balls or 2 white balls or 2 green balls \n" ); document.write( ": \n" ); document.write( "Probability that both balls are same color = (2/8 * 1/7) +(4/8 * 3/7) +(2/8 * 1/7) = 2/56 +12/56 +2/56 = 16/56 = 2/7 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |