Answer: 0.5.
- A 0
- B 0.5
- C 1
- D 1.5
Correct answer: B. 0.5
Explanation: P(A ∪ B) = P(A) + P(B) - P(A ∩ B) = 0 + 0.5 - 0 = 0.5.
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