document.write( "Question 466543: From a box containing 6 black balls and 4 green balls, 3 balls are drawn in succession, each ball being replaced in the box before the next draw is made.
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document.write( "a) all 3 are the same color?
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document.write( "b) each color is represented?
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Algebra.Com's Answer #319842 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! From a box containing 6 black balls and 4 green balls, 3 balls are drawn in succession, each ball being replaced in the box before the next draw is made. \n" ); document.write( "a) all 3 are the same color? \n" ); document.write( "Pick 3 black: 6C3 = 20 ways \n" ); document.write( "Pick 3 green: 4C3 = 4 ways \n" ); document.write( "---- \n" ); document.write( "Pick 3 randomly = 10C3 = 120 \n" ); document.write( "P(3 of same color) = 24/120 \n" ); document.write( "------------------------------------- \n" ); document.write( "b) each color is represented? \n" ); document.write( "P(each color is represented) \n" ); document.write( "= 1- P(3 of same color) \n" ); document.write( "= 1-(24/120) \n" ); document.write( "= 96/120 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==============\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |