Answer: {H,T}.
- A {H}
- B {T}
- C {H,T}
- D {HH,TT}
Correct answer: C. {H,T}
Explanation: Sample space = set of ALL possible outcomes = {H, T}.
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