Which of the Following Are Equivalent to the Probability of the Complement

Multiple Choice

Which of the following are equivalent to the probability of the complement of event A?
(i) P( $\mathrm { A } ^ { \mathrm { C } }$ )
(ii) 1 - P(A does not occur)
(iii) 1 - P(A occurs)
(iv) P(A does not occur)

A) ii
B) i,iii,and iv
C) i and iii
D) i,ii,and iv
E) iii and iv