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Consecutive Heads

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Part 1

You have a fair coin. Denote $X_i$ as the number of flips required to see exactly $i$ consecutive heads.

Compute $\mathbb{E}(X_1), \mathbb{E}(X_2), \mathbb{E}(X_3)$

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Next Question

Consecutive Heads

00:00:00

Parts

Part 1

You have a fair coin. Denote $X_i$ as the number of flips required to see exactly $i$ consecutive heads.

Compute $\mathbb{E}(X_1), \mathbb{E}(X_2), \mathbb{E}(X_3)$