Question: 3.4.1 Which will take fewer flips, on average: successively flipping a quarter until the pattern HHT appears, i.e., until you observe two successive heads followed

3.4.1 Which will take fewer flips, on average: successively flipping a quarter until the pattern HHT appears, i.e., until you observe two successive heads followed by a tails; or successively flipping a quarter until the pattern HTH appears? Can you explain why these are different?

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