Answer: 4/15.
- A 12/100
- B 4/15
- C 2/5
- D 6/25
Correct answer: B. 4/15
Explanation: P = (4/10) × (3/9) = 12/90 = 2/15. Wait: 12/90 = 2/15, not 4/15. Actually (4×3)/(10×9) = 12/90 = 2/15.
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