P(6) = 1 - 1/5 - 1/6 - 2/15 - 2/15 - 1/6 = 1/5
a) P(A) = 1/5 + 2/15 + 1/6 = ...
b) P(B) = 1/6 + 1/5 = ...
c) P(C) = 1/5 + 1/6 + 2/15 = ...
d) P(nB) = 1 - P(B)
e) P(A ∩ B) = 1/6
f) P(A ∪ B) = P(A) + P(B) - P(A ∩ B)
g) P(nA ∪ nB) = P(n((A ∩ B))) = 1 - P(A ∩ B)