Sleeping Beauty on Monty Hall

Inspired by the Monty Hall Problem and a popular simple solution to it, we present a number of game-show puzzles that are analogous to the notorious Sleeping Beauty Problem (and variations on it), but much easier to solve. We replace the awakenings of Sleeping Beauty by contestants on a game show, l...

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Main Authors: Michel Janssen, Sergio Pernice
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Philosophies
Subjects:
Online Access:https://www.mdpi.com/2409-9287/5/3/15
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author Michel Janssen
Sergio Pernice
author_facet Michel Janssen
Sergio Pernice
author_sort Michel Janssen
collection DOAJ
description Inspired by the Monty Hall Problem and a popular simple solution to it, we present a number of game-show puzzles that are analogous to the notorious Sleeping Beauty Problem (and variations on it), but much easier to solve. We replace the awakenings of Sleeping Beauty by contestants on a game show, like Monty Hall’s, and increase the number of awakenings/contestants in the same way that the number of doors in the Monty Hall Problem is increased to make it easier to see what the solution to the problem is. We show that these game-show proxies for the Sleeping Beauty Problem and variations on it can be solved through simple applications of Bayes’s theorem. This means that we will phrase our analysis in terms of credences or degrees of belief. We will also rephrase our analysis, however, in terms of relative frequencies. Overall, our paper is intended to showcase, in a simple yet non-trivial example, the efficacy of a tried-and-true strategy for addressing problems in philosophy of science, i.e., develop a simple model for the problem and vary its parameters. Given that the Sleeping Beauty Problem, much more so than the Monty Hall Problem, challenges the intuitions about probabilities of many when they first encounter it, the application of this strategy to this conundrum, we believe, is pedagogically useful.
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spelling doaj.art-5f19f27886aa454b922502247f30da9a2024-04-03T09:10:28ZengMDPI AGPhilosophies2409-92872020-08-015315010.3390/philosophies5030015Sleeping Beauty on Monty HallMichel Janssen0Sergio Pernice1School of Physics and Astronomy, University of Minnesota, 116 Church Street S.E., Minneapolis, MN 55455, USABusiness School, University of Cema, Av. Córdoba 374, Buenos Aires C1054AAP, ArgentinaInspired by the Monty Hall Problem and a popular simple solution to it, we present a number of game-show puzzles that are analogous to the notorious Sleeping Beauty Problem (and variations on it), but much easier to solve. We replace the awakenings of Sleeping Beauty by contestants on a game show, like Monty Hall’s, and increase the number of awakenings/contestants in the same way that the number of doors in the Monty Hall Problem is increased to make it easier to see what the solution to the problem is. We show that these game-show proxies for the Sleeping Beauty Problem and variations on it can be solved through simple applications of Bayes’s theorem. This means that we will phrase our analysis in terms of credences or degrees of belief. We will also rephrase our analysis, however, in terms of relative frequencies. Overall, our paper is intended to showcase, in a simple yet non-trivial example, the efficacy of a tried-and-true strategy for addressing problems in philosophy of science, i.e., develop a simple model for the problem and vary its parameters. Given that the Sleeping Beauty Problem, much more so than the Monty Hall Problem, challenges the intuitions about probabilities of many when they first encounter it, the application of this strategy to this conundrum, we believe, is pedagogically useful.https://www.mdpi.com/2409-9287/5/3/15sleeping beauty problemmonty hall problemprobabilitybayesianfrequentist
spellingShingle Michel Janssen
Sergio Pernice
Sleeping Beauty on Monty Hall
Philosophies
sleeping beauty problem
monty hall problem
probability
bayesian
frequentist
title Sleeping Beauty on Monty Hall
title_full Sleeping Beauty on Monty Hall
title_fullStr Sleeping Beauty on Monty Hall
title_full_unstemmed Sleeping Beauty on Monty Hall
title_short Sleeping Beauty on Monty Hall
title_sort sleeping beauty on monty hall
topic sleeping beauty problem
monty hall problem
probability
bayesian
frequentist
url https://www.mdpi.com/2409-9287/5/3/15
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