- A1/4
- B3/4
- C1/3
- D1/2
Step-by-Step Solution
Outcomes: HH, HT, TH, TT. Exactly one head occurs in HT and TH, so P = 2/4 = 1/2.
Answer: D) 1/2
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Probability & Permutation practice questions