CUSAT 2022 BTech Solved Paper Shift 2

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Question : 199 of 200
 
Marks: +1, -0
If A and B are two events such that P(A)=0.7,P(B)=0.3 and P(‌
A
B
)
=0.5
, then P(‌
A′
B′
)
is
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