Question

b)a) Suppose A and B are events in a random experiment such that A ⊆ B....

b)a) Suppose A and B are events in a random experiment such that A ⊆ B.
Show that P(A|B) = P(A)
P(B)
and P(B|A) = 1. [8 Marks]
b) Suppose A and B are events in a random experiment. Show that
P(A|B) > P(A) if and only if P(B|A) > P(B).

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