28. Consider independent flips of a coin having probability of landing heads. Say a changeover...

Question:

28. Consider ç independent flips of a coin having probability ñ of landing heads. Say a changeover occurs whenever an outcome differs from the one preceding it. For instance, if the result of the flips are Ç Ç Ô Ç Ô Ç Ç Ô, then there are a total of 5 changeovers. If ñ = 1/2, what is the probability there are k changeovers?

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