Answer: 0.2.
- A 0.2
- B 0.3
- C 0.1
- D 0.24
Correct answer: A. 0.2
Explanation: P(A ∩ B) = P(A|B) × P(B) = 0.5 × 0.4 = 0.2.
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