Quant Interview Puzzle: Expected Tosses for 3 Consecutive Heads - Recurrence & Markov Chains

Delve into a frequently-asked quant interview puzzle: How many tosses, on average, does it take to get 3 consecutive Heads with a fair coin? In this comprehensive guide, we unpack both the recurrence-based solution and the Markov Chain method, complete with transition diagrams and a system of linear equations.

📊 Visualize the puzzle with our Markov Chain transition diagram and get hands-on with our linear equations to demystify this classic problem.

👉 For more clarity on common misconceptions:
[Quant Interview Puzzle Clarified: Why 'HTH' and 'HHH' Have Different Expected Tosses](Quant Interview Puzzle: Expected Toss...)

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