document.write( "Question 473247: A bag contains 6 red balls and 3 blue balls. 3 balls are selected at random. Find the probablity of selecting 3 red balls? \n" ); document.write( "
Algebra.Com's Answer #324535 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! There are 6+3 = 9 balls total.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(3 red) = P(red)*P(red)*P(red)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(3 red) = (6/9)*(5/8)*(4/7) .... Note: I'm assuming that the balls are NOT replaced (or put back in)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(3 red) = 120/504\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(3 red) = 5/21\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |