1.

If A ⊆ B, then which one of the following is not correct?

A. \(P\;\left( {A \cap \bar B} \right) = 0\)
B. \(P\;{\rm{(}}A{\rm{|}}B) = \frac{{P\left( A \right)}}{{P\left( B \right)}}\)
C. \(P\;{\rm{(}}B{\rm{|}}A) = \frac{{P\left( B \right)}}{{P\left( A \right)}}\)
D. \(P{\rm{(}}A{\rm{|}}\left( {A \cup B} \right)) = \frac{{P\left( A \right)}}{{P\left( B \right)}}\)
Answer» D. \(P{\rm{(}}A{\rm{|}}\left( {A \cup B} \right)) = \frac{{P\left( A \right)}}{{P\left( B \right)}}\)


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