What Is a Casino?
A casino is a gambling establishment that offers chances to win money by playing games of chance and, in some cases, skill. Typically, a casino offers slot machines, card games like blackjack and poker, and other games of chance or skill. The casino makes its money by charging an entrance fee, taking a percentage of each bet made, or both. It also may offer complimentary items or services to players, known as comps. The casino industry generates billions of dollars a year for the companies, investors, and Native American tribes that run it.
Gambling has a long history and is prevalent in most societies. In modern times, it is often associated with organized crime, but since the 1980s casino ownership has moved away from mob hands and large casinos have been opened by real estate developers, hotel chains, and other companies that can afford to pay off any Mafia connections and avoid federal anti-gambling crackdowns.
Security at a casino starts on the floor, where employees watch over all the games and patrons. Dealers are heavily trained to spot blatant cheating such as palming, marking or switching cards and dice. Pit bosses and table managers have a broader view of all the tables, watching for betting patterns that could indicate cheating. Each person on the floor has a higher-up person monitoring them, and each casino hires mathematicians specializing in gaming analysis to keep tabs on their house edge and variance for every game.