When the sets A and B are two events associated with a sample space, then 'A ∩ B' is the event.
Either A or B or both
Only one of the two, A or B
Both A and B
Neither A nor B
Statements: U & M, P @ U, M @ B
Conclusions:
a) P ! B
b) P @ M
In a large metropolitan area, the probabilities are 0.87, 0.36, 0.30 that a
family (randomly chosen for a sample survey) owns a colour television set,
a black and white television set, or both kinds of sets. What is the
probability that a family owns either any one or both kinds of sets ?