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All Questions
Consecutive Heads
00:00:00
5/10
Probability
Parts
Part 1

You have a fair coin. Denote XiX_i as the number of flips required to see exactly ii heads.

Compute E(X1),E(X2),E(X3)\mathbb{E}(X_1), \mathbb{E}(X_2), \mathbb{E}(X_3)