document.write( "Question 1026448: A pair of dice is rolled. Let P denote the event “the sum shown is 8” and Q the event “the two dice show the same number”. Find (i) P(P/Q) (ii) P(Q/P) \n" ); document.write( "
Algebra.Com's Answer #641805 by robertb(5830)\"\" \"About 
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Now P(P) = probability that “the sum shown is 8” = 5/36, and
\n" ); document.write( "P(Q) = probability that “the two dice show the same number” = 6/36 = 1/6.\r
\n" ); document.write( "\n" ); document.write( "==>P(P|Q) = P(P∩Q)/P(Q) = \"%281%2F36%29%2F%281%2F6%29+=+1%2F6\".
\n" ); document.write( "Also, P(Q|P) = P(P∩Q)/P(P) = \"%281%2F36%29%2F%285%2F36%29+=+1%2F5\".\r
\n" ); document.write( "\n" ); document.write( "Note: P(P∩Q) = 1/36 because only the outcome (4,4) will satisfy the event P∩Q.
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