25 independent, fair coins are tossed in a row. What is the expected number of consecutive HH pairs?Details and assumptionsIf 6 coin tosses in a row give HHTHHH, the number of consecutive HH pairs is 3.
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Hey geniusgarvil. Hint: Try defining a new random variable that has events HH as one event and something else as another and take the expectation of that appropriate random variable.
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