document.write( "Question 1177214: Five white and four black balls are arranged in a row. What is the probability that the end
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Algebra.Com's Answer #805509 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "The arrangement of the other 7 balls has nothing to do with the problem.

\n" ); document.write( "P(different colors on each end) = P((white first AND black last) OR (black first AND white last))

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