Answer: 3/8.
- A 1/4
- B 3/8
- C 1/2
- D 1/8
Correct answer: B. 3/8
Explanation: C(3,2)/2³ = 3/8.
Venn diagram of the universal set U with events A and B, showing the intersection (A and B), the parts unique to each event, and the complement region outside both.
Concept context
Chance, events, conditional probability, and Bayes theorem