document.write( "Question 322927: A box contains ten balls numbered from 1 to 10. If you pick two balls at random, what is the probability that the sum of the numbers on the two balls is even?
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Algebra.Com's Answer #231167 by Alan3354(69443)\"\" \"About 
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4/9.
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\n" ); document.write( "The 1st ball doesn't matter, but the 2nd has to match. There are 4 that match out of 9.
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