Answer: 1/2.
- A 1/2
- B 1/4
- C 3/4
- D 1/3
Correct answer: A. 1/2
Explanation: The favourable outcomes HT and TH give 2 of the 4 possibilities, so P = 2/4 = 1/2.
Concept context
Random experiments, sample space, events, and the axiomatic approach to probability