document.write( "Question 429823: Let X and Y both be discrete uniform random variables on {0, 1, 2, 3, 4}.
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document.write( "Let Z = |X-Y|. Find the PMF of Z.
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document.write( "Please Help... \n" );
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Algebra.Com's Answer #298514 by robertb(5830)![]() ![]() You can put this solution on YOUR website! Make a \"subtraction\" table for X and Y, and then take the absolute values. You'll find out that \n" ); document.write( "p(0) = 5/25 \n" ); document.write( "p(1) = 8/25 \n" ); document.write( "p(2) = 6/25 \n" ); document.write( "p(3) = 4/25 \n" ); document.write( "p(4) = 2/25 \n" ); document.write( " |