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Omni-MATH / Tim starts with a number n, then repeatedly flips a fair coin. If it lands heads he subtracts 1 from his number and if it lands tails he subtracts 2 . Let E_(n) be the expected num… · Discussion

Discussing Tim starts with a number n, then repeatedly flips a fair coin. If it lands heads he subtracts 1 from his number and if it lands tails he subtracts 2 . Let E_(n) be the expected num… · Omni-MATH

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