Casinos, card counters, and the law of large numbers

Shamal Lalvani*, Aggelos Katsaggelos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In movies, blackjack card counters confidently place huge bets in casinos when the time is just right, making huge profits. While counting cards can be used to profit from casinos, the truth of how card counters profit is a bit different. In this article, we get to the heart of how casinos and card counters manage their profits - the law of large numbers, a fundamental theorem in statistics. We discuss how card counting works and what this looks like in practice.

Original languageEnglish (US)
Pages (from-to)8-11
Number of pages4
JournalIEEE Potentials
Issue number1
StatePublished - Jan 1 2024

ASJC Scopus subject areas

  • Education
  • Strategy and Management
  • Electrical and Electronic Engineering


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