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Omni-MATH / Pick a random integer between 0 and 4095, inclusive. Write it in base 2 (without…

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problem

Pick a random integer between 0 and 4095, inclusive. Write it in base 2 (without any leading zeroes). What is the expected number of consecutive digits that are not the same (that is, the expected number of occurrences of either 01 or 10 in the base 2 representation)?

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