Answer: 0.
- A 0
- B 0.5
- C 1
- D Undefined
Correct answer: A. 0
Explanation: An impossible event never occurs, so P(impossible) = 0.
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