If \(A\) and \(B\) are two arbitrary events then1\(P(A\cup B)\geq P(A)+P(B)+1\)2\(P(A\cup B)\geq P(A)+P(B)-1\)3\(P(A\cup B)\geq P(A)-P(B)+1\)4\(P(A\cup B)\leq P(A)-P(B)+1\)Answer & explanation+Correct answer: option 2For two arbitrary events, (b) always holds.