If two events A and B are such that \[P({{A}^{c}})=0.3,\,P(B)=0.4\] and \[P(A{{B}^{c}})=0.5,\] then \[P[B/(A\cup {{B}^{c}})]\] is equal to [IIT 1994]

If two events A and B are such that \[P({{A}^{c}})=0.3,\,P(B)=0.4\] an

1.	If two events A and B are such that \[P({{A}^{c}})=0.3,\,P(B)=0.4\] and \[P(A{{B}^{c}})=0.5,\] then \[P[B/(A\cup {{B}^{c}})]\] is equal to [IIT 1994]
A.	\[\frac{1}{2}\]
B.	\[\frac{1}{3}\]
C.	\[\frac{1}{4}\]
D.	None of these
Answer» D. None of these

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If two events A and B are such that \[P({{A}^{c}})=0.3,\,P(B)=0.4\] and \[P(A{{B}^{c}})=0.5,\] then \[P[B/(A\cup {{B}^{c}})]\] is equal to [IIT 1994]

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