document.write( "Question 455426: A box contains 3 white, 3 black balls. 3 balls are chosen from the box what is the prob. that 2 are white and one is black.
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document.write( "a)balls are chosen with replacement
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document.write( "b)balls are chosen without replacement \n" );
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Algebra.Com's Answer #312705 by edjones(8007)![]() ![]() You can put this solution on YOUR website! a) \n" ); document.write( "b=1/2 and w=1/2 \n" ); document.write( "3b^2w=3/8 \n" ); document.write( ". \n" ); document.write( "b) \n" ); document.write( "(3C2 * 3C1)/6C3 \n" ); document.write( "=3*3/20 \n" ); document.write( "=9/20 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |