3.1 Exercise 2

The sample space S is all the ordered pairs of two whole numbers, the first from one to three and the second from one to four (Example: (1, 4)).

1. S = ________
   Let event A = the sum is even and event B = the first number is prime.
2. A = ________, B = ________
3. P(A) = ________, P(B) = ________
4. A AND B = ________, A OR B = ________
5. P(A AND B) = ________, P(A OR B) = ________
6. B′ = ________, P(B′) = ________
7. P(A) + P(A′) = ________
8. P(A|B) = ________, P(B|A) = ________; are the probabilities equal?