Terminology · Try It 1

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)).

(a) S = _____________________________
Let event A = the sum is even and event B = the first number is prime.
(b) A = _____________________, B = _____________________
(c) P(A) = _____________, P(B) = ________________
(d) A $\cap$ B = ____________________, A $\cup$ B = ________________
(e) P(A $\cap$ B) = _________, P(A $\cup$ B) = _____________
(f) B′ = _____________, P(B′) = _____________
(g) P(A) + P(A′) = ____________
(h) P(A$|$B) = ___________, P(B$|$A) = _____________; are the probabilities equal?

OpenStax, Introductory Business Statistics 2e · §3.1 Terminology · Try It 1