Question

If E and F are events such that P(E) = 1/4, P(F) = 1/2 and P(E and F) = 1/8, find:
(i) P(E or F),

(ii) P(not E and not F).

Answer 1

Here, P(E) = 1/4, P(F) = 1/2 and P(E and F) = 1/8
(i) We know that P(E or F) = P(E) + P(F) – P(E and F)