Let A and B be the events such that
Find
(i) P(A / B)
(ii) P(B / A)
(iii) P(A ∪ B)
(iv)
Given - A and B be the events such that and
To find – (i) (ii)
(iii)
(iv)
Formula to be used – By conditional probability, where
is the probability of occurrence of the event A given that B has already occurred.
(i)
(ii)
(iii)
(iv)
Now, by De-Morgan’s Law,