Question: 3. A game is played withe / distinct coins lined up, and the kt coin in line has a probability of 3-* to flip heads

3. A game is played withe / distinct coins lined up, and the kt coin in line has a probability of 3-* to flip heads (for k = 1, 2, . .., N) A player must go down the line and flip each coin. Once any one coin has flipped heads twice (not necessarily in a row), it can be removed. What is the expected number of total coin flips needed to remove all coins and finish the game

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