Problem 2. (3 points) Suppose that Al and Barb take turns flipping a fair coin. The first player to flip a tails wins. I
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Problem 2. (3 points) Suppose that Al and Barb take turns flipping a fair coin. The first player to flip a tails wins. I
Problem 2. (3 points) Suppose that Al and Barb take turns flipping a fair coin. The first player to flip a tails wins. If Al starts, what is the probability that Al wins? Hint: Your answer should simplify nicely. You may wish to use the "geometric series" identity 1/(for n>1). 1 1-1/n
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