Mathematics, 15.04.2020 17:15 RNBWBlight2037
Ben and Allison each decide to wager 1 unit against the other person on flips of an unfair coin, with probability 0.6 of landing head, until one of them runs out of money. When the flip lands on head, Ben wins 1 unit from Allison; and when the coin lands on tail, Allison wins 1 from Ben. At the start of the contest, Ben has 30 units and Allison has 45 units. Find (a) the average number of flips needed until Ben is eventually broke, (b) the average number of flips needed until Allison is eventually broke, and (c) the average number of flips needed until either Ben or Allison is eventually broke.
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Ben and Allison each decide to wager 1 unit against the other person on flips of an unfair coin, wit...
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