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Mathematics, 03.09.2020 01:01 brylove603

Abraham and Blaise each have $\$10$. They repeatedly flip a fair coin. If it comes up heads, Abraham gives Blaise $\$1$. If it comes up tails, Blaise gives Abraham $\$1$. What is the expected number of flips until one of them runs out of money?

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Abraham and Blaise each have $\$10$. They repeatedly flip a fair coin. If it comes up heads, Abraham...
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