Expected flips for HHH
What is the expected number of fair-coin tosses to first see three heads in a row (HHH)?
Show hints (2)+
- Use states for the current run of heads.
- Overlap structure matters: .
Answer
Reveal answer →Final answer
14
Create a free account to see the full worked solution and track your progress.
Interview format: Market Maker, Hedge Fund Quant, Betting Game Rounds