document.write( "Question 855911: a bag contains 3 green marbles and 1 purple marbles. one marble is drawn at random and not replaced. then the second marble is drawn . what is the probability that the first marble is purple and the second one is green ?
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Algebra.Com's Answer #515624 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "bag contains  marbles:  3 green and 1 purple
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document.write( "2 marbles drawn one at a time, w/o replacement
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document.write( "P(P then G) =  = 1/4 \n" );
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