A) \[\frac{1}{2}\]
B) \[\frac{1}{3}\]
C) \[\frac{1}{4}\]
D) \[\frac{1}{6}\]
Correct Answer: A
Solution :
\[P(A'\cap B')=1-P(A\cup B)\Rightarrow \,P(A\cup \,B)=\frac{2}{3}\] Now \[P(A\cup B)\,=P(A)+P(B)-P(A\cap B)\] Þ \[\frac{2}{3}=x+x-\frac{1}{3}\Rightarrow \,x=\frac{1}{2}\].You need to login to perform this action.
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