document.write( "Question 1040103: An urn contains four black balls and six white balls. What is the probability of getting one black and one white ball in two consecutive draws from the urn?
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Algebra.Com's Answer #654910 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! BW or WB \n" ); document.write( "Probability of first is 4/10*6/9=2/5 *2/3=4/15 \n" ); document.write( "probability of second is 6/10*4/9=3/5*4/9=4/15 \n" ); document.write( "we add them 8/15 is the answer. \n" ); document.write( " |