A reports that a head
appears The probability that actually there was head is
(A) 4
5
(B) 1
2
(C)
51
(D) 2
5
14 If A and B are two events such that A ⊂ B and P(B) ≠  0, then which of the
following is correct (A)
P(B)
P(A | B)
 P(A)
(B) P(A|B) < P(A)
(C) P(A|B) ≥ P(A)
(D) None of these
13