The probability of rain tomorrow is 40%, the probability of hail is 30%, and the probability
of rain or hail is 60%. What is the probability of
(a) both rain and hail
(b) neither rain no hail
(c) no rain
(d) rain but no hail
2. If p(E) = 3
8 , then o(E) =
3. If o(E′) = 5 : 9, then p(E) =