A casino is an establishment for certain types of gambling. These facilities are often combined with hotels, restaurants, retail shops, and other entertainment venues. Many states have passed laws regulating the operation of casinos. Some of these regulations require the establishments to be licensed and have employees trained in gambling-related activities. Others mandate that the operators maintain a reserve of funds to cover losses. Casinos are also popular destinations for conventions, business meetings, and other social events.
The word casino is derived from the Italian word
Modern casinos employ a variety of security measures to protect their patrons and property. These may include a physical security force and specialized surveillance departments. The latter operate closed circuit television systems, or CCTV, that monitor the casino floor and other areas for suspicious activity. In addition, casinos often have security cameras at entrances and other key locations.
Casinos make money by charging a rake or commission on the games played in them. This revenue stream is augmented by the sale of drinks and snacks, and by the payment of winning bettors. In some games, such as poker, the casino also makes a profit through a structured system of fees called a vig or vigorish.
To determine their profitability, casinos track the house edge and variance of each game. These statistics are compiled by mathematically inclined people known as gaming mathematicians and analysts. Some casinos hire these specialists in-house; others outsource their work.
In addition to these statistical figures, a casino might consider the overall experience of its patrons. A pleasant ambience, attractive staff, and the availability of amenities like food, beverages, and entertainment might help to attract and retain customers. In addition, a casino might offer its big bettors extravagant inducements to keep them coming back for more.
While casino gambling is the most common form of casino entertainment, many casinos offer other forms of gaming as well. Asian casinos, for example, feature several traditional Far Eastern games such as sic bo (which was introduced in the United States in the 1990s), fan-tan, and pai gow. These games are not as widespread as the slot machines and table games, but they can be found at some large international casinos. In addition, American Indian reservations sometimes have casinos that feature various Native American games. These are often subject to stricter state regulation than Las Vegas or Atlantic City, and the profits generated by these games are usually a smaller percentage of the total revenue of the casino.