Question
Alice proposes to Bob the following game. Bob pays one dollar to play. Fifty balls marked 1,2,....,50 are placed in a big jar, stirred around,
Alice proposes to Bob the following game. Bob pays one dollar to play. Fifty balls marked 1,2,....,50 are placed in a big jar, stirred around, and then drawn out one by one by Zori, who is wearing a blindfold. The result is a random permutation ? of the integers 1, 2,...,50. Bob wins with a payout of two dollars and fifty cents if the permutation ? is a derangement, i.e., ? (i) ≠ i for all i = 1, 2,..., n. Is this a fair game for Bob? If not how should the payoff be adjusted to make it fair?
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Elementary Statistics A Step By Step Approach
Authors: Allan Bluman
8th Edition
73386103, 978-0073386102
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