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Central limit theorem in complete feedback games

Published online by Cambridge University Press:  16 October 2023

Andrea Ottolini*
Affiliation:
University of Washington
Raghavendra Tripathi*
Affiliation:
University of Washington
*
*Postal address: Department of Mathematics, University of Washington, Seattle, WA 98195, USA.
*Postal address: Department of Mathematics, University of Washington, Seattle, WA 98195, USA.

Abstract

Consider a well-shuffled deck of cards of n different types where each type occurs m times. In a complete feedback game, a player is asked to guess the top card from the deck. After each guess, the top card is revealed to the player and is removed from the deck. The total number of correct guesses in a complete feedback game has attracted significant interest in the past few decades. Under different regimes of m, n, the expected number of correct guesses, under the greedy (optimal) strategy, has been obtained by various authors, while there are not many results available about the fluctuations. In this paper we establish a central limit theorem with Berry–Esseen bounds when m is fixed and n is large. Our results extend to the case of decks where different types may have different multiplicity, under suitable assumptions.

Type
Original Article
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of Applied Probability Trust

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