document.write( "Question 276406: Given that P(A or B) = 1/3, P(A) = 1/6, and P(A and B) = 1/8, find P(B).
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document.write( "7/24 is the answer but I would really love to know why. This question is worded in a very confusing manner. \n" );
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Algebra.Com's Answer #201440 by edjones(8007)![]() ![]() You can put this solution on YOUR website! Become familiar with Venn diagrams and this will become much simpler. \n" ); document.write( "In the intersection of the 2 circles put 1/8. \n" ); document.write( "1/6 - 1/8 = 1/24 put this in the semicircle to left of 1/8 \n" ); document.write( "1/3 is the union of the 2 circles. \n" ); document.write( "1/24 + 1/8 + x = 1/3 \n" ); document.write( "x=1/6 put this in the semicircle right of 1/8 \n" ); document.write( "1/8 + 1/6 = 7/24 P(B) \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( ". \n" ); document.write( " |