SOLUTION: Matt flipped two fair coins together. He continued doing so until at least one of the coins turns up heads. What is the probability that both are heads on the last flip?

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Question 427377: Matt flipped two fair coins together. He continued doing so until at least one of the coins turns up heads. What is the probability that both are heads on the last flip?
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

(H,T), (H,H) , (T,H)

probability of both are heads = 1/3