A game’s house edge refers to the house’s advantage over the player. In a casino, this advantage is often the difference between winning and losing. While most casinos are well-lit, the absence of clocks and windows can make it difficult for casino security to keep an eye on the patrons. This is why casinos often employ bright wall and floor coverings. This creates an energizing and cheering effect. The use of red as a decorating color is also a good idea, but a good rule of thumb is to avoid betting with your head still in the game. While you may not believe it, this color can easily deceive you.

The casino’s house edge is determined by the variance of the game’s odds. This figure is used to determine the percentage of a player’s win that the casino keeps in cash. These figures are calculated by mathematicians and computer programmers known as gaming mathematicians and analysts. Because most casinos do not have in-house experts in this field, they outsource this work to third-party firms. They are experts in the field and can help you make informed decisions.

The house edge is an important factor in casino games. Knowing the house edge is important to a casino’s profits. It is also useful to know the variance of games. These numbers will help the casino determine how much cash it needs for the next game. These professionals are called gaming mathematicians and gaming analysts and are usually hired by casinos. Despite the need for such expertise, casinos often outsource this work to outside experts. The benefits of outsourcing these jobs include the cost and time saved in the long run.