document.write( "Question 183410: A bag contains 12 jellybeans 4 black 3 yellow 3 green 2 red if u draw 1 jellybean what is the probability of drawing:
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document.write( "a red then a green(replaced)
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document.write( "a red then a green (not replaced) \n" );
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Algebra.Com's Answer #137734 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A bag contains 12 jellybeans 4 black 3 yellow 3 green 2 red if u draw 1 jellybean what is the probability of drawing: \n" ); document.write( "a red then a green(replaced) \n" ); document.write( "The events are independent because the 1st marble is replaced before the \n" ); document.write( "2nd marble is drawn. \n" ); document.write( "If A and B are independent events, P(A and B) = P(A)*P(B) \n" ); document.write( "P(red and green) = P(red)*P(green) = 2/12 * 3/12 = 6/12^2 = 6/144= 1/24 \n" ); document.write( "-------------------------------- \n" ); document.write( "The events are dependent when the 1st is not replaced before the 2nd is drawn. \n" ); document.write( "P(A and B) = P(A)P(B|A) \n" ); document.write( "a red then a green (not replaced) \n" ); document.write( "P(red and green) = P(red)*P(green|red) = (2/12)*(3/11) = 1/22 \n" ); document.write( "-------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |