document.write( "Question 1035174: Cathy has a nickel, a dime, and a quarter in her purse. She randomly picks a coin, replaces it, and then picks another coin.
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document.write( "The probability that the two coins are of different denominations is . \n" );
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Algebra.Com's Answer #649894 by robertb(5830)![]() ![]() You can put this solution on YOUR website! The probability of picking a particular coin the first time is 1/3. \n" ); document.write( "After replacement, the probability of drawing a different coin is 2/3. \n" ); document.write( "Hence the probability that the two coins are of different denominations is (1/3)*(2/3) = 2/9. \n" ); document.write( " |