MATHEMATICS · Single correct · A Level · Mathematics · Probability · Probability
Problem
If for two events E and A with P(A)>0 it is found that P(E∣A)=P(E), which of the following statements is correct?
(a) Event A implies that E must occur.
(b) Events E and A are mutually exclusive.
(c) Events E and A are independent.
(d) Event A is certain (P(A)=1).