document.write( "Question 921937: A box contain 4 red balls and 3 black balls. A ball is drawn random from the box, its color is noted and is not replaced. the process is repeated until two red balls are obtained. If X represents the number of draws needed to get two red balls, determine P(X<3) \n" ); document.write( "
Algebra.Com's Answer #559337 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 7 Balls: 4R, 3B \n" ); document.write( "A ball is drawn random from the box, its color is noted and is not replaced.... \n" ); document.write( "If X represents the number of draws needed to get two red balls, \n" ); document.write( "determine P(X<3) = P(X = 2) = P(1stR AND 2ndR) = |