For any two independent events E1 and E2,P{(E1∪E2)∩(¯¯¯¯¯¯E1)∩(¯¯¯¯¯¯E2)} is
A
<14
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B
>14
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C
≥12
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D
None of these
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Solution
The correct option is A<14 Since ¯¯¯¯¯¯E1∩¯¯¯¯¯¯E2=¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯E1∪E2 and (E1∪E2)∩(¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯E1∪E2)=ϕ ∴P[(E1∪E2)∩(¯¯¯¯¯¯E1∩¯¯¯¯¯¯E2)]=P(ϕ)=0<14