A coin is tossed three times. Consider the following events:
A: No head appears
B: Exactly one head appears
C. At least two heads appear
Which one of the following is correct?
1
(A ∪ B) ∩ (A ∪ C) = B ∪ C
2
(A ∩ B’) ∪ (A ∪ C’) = B’ ∪ C’
3
A ∩ (B’ ∪ C’) = A ∪ B ∪ C
4
A ∩ (B’ ∪ C’) = B’ ∩ C’