Everyone has faced gambling in one way or another, whether it is dice or an entire casino. In ordinary life, such games are rarely considered from a mathematical point of view and many people think that everything in them is transparent and believe that one can easily win big money in such games, but with the help of mathematics one can learn the other side of gambling. The purpose of our research was, with the help of probability theory and mathematical statistics, to study the strategies of popular so-called gambling and to find different "tricks" of the casino, which usually people do not notice, thinking that the chance of winning is high. Information collected is based on the strategies and rules of various games of chance. Based on th...