Question
Fatima and John appear in an interview for two vacancies in the same post. The probability of Fatima's selection is 
that of John's selection is 
What is the probability that none of them will be selected.
Solution
P(none of them will be selected)
= P(not A and not B)
= P(not A). P(not B)
= [1 - P(A)] [1 - P(B)]
=
