document.write( "Question 470498: This is the question: For 2 events A and B defined on a sample space S,
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document.write( "N(AandBcomplement)= 15, N(Acomplement and B)= 50, and N(A and B)=2. Given that
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document.write( "N(S)= 120, how many outcomes belong to neither A Nor B?
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document.write( "This is a sample space and algebra of sets problem. I'm not sure where to start.
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document.write( "Thanks. \n" );
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Algebra.Com's Answer #322707 by robertb(5830)![]() ![]() You can put this solution on YOUR website! N(A) = N((A and B') U (A and B)) = N(A and B') + N(A and B) = 15 + 2 = 17\r \n" ); document.write( "\n" ); document.write( "N(B) = N((A' and B) U (A and B)) = N(A' and B) + N(A and B) = 50 + 2 = 52\r \n" ); document.write( "\n" ); document.write( "==> N( A U B) = N(A) + N(B) - N(A and B) = 17 + 52 - 2 = 67\r \n" ); document.write( "\n" ); document.write( "==> N((A U B)') = N(S) - N(A U B) = 120 - 67 = 53. \n" ); document.write( " |