For two events A and B, which of the following relations is true?

1.	For two events A and B, which of the following relations is true?
A.	\(P(\bar A \cup \bar B) = 1 - P(A)P\left(\frac B A\right)\)
B.	P(A̅ ∪ B̅) = 1 - P(A ∪ B)
C.	\(P(\bar A \cup \bar B) = P(\overline {A\cup B})\)
D.	P(A̅ ∪ B̅) = P(A̅) + P(B̅)
Answer» B. P(A̅ ∪ B̅) = 1 - P(A ∪ B)

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For two events A and B, which of the following relations is true?

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