Problem of the Day #32 (Normal)

POTD Normal December 21, 2023
Author: excelex

A coin is flipped 8 times. If the expected number of pairs of consecutive coin flips which both are heads is mn\frac{m}{n} (e.g. THHTHHHT has 33 pairs), Evaluate m+nm + n.

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Problem Tags: Counting and probability
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Category: Problem of the Day
Points: 4
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