- A7/8
- B1/8
- C3/8
- D1/2
Step-by-Step Solution
Only HHH has no tail. P(no tail) = 1/8, so P(at least one tail) = 1 − 1/8 = 7/8.
Answer: A) 7/8
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Probability & Permutation practice questions