If A and B are two events, the probability that exactly one of them occurs is given by

If A and B are two events, then probability that exactly one of them occurs is -

If A and B are any two events, then the probability that exactly one of them occurs is

If A and B are any two events, then the probability that exactly one of them occur is

If A and B are any two events, then the probability that exactly one of them occur is

If M and N are any two events, the probability that exactly one of them occurs is (for an event set A, the complement is A^(@))