Variable ratio is the answer.
A slot machine, also known as a fruit machine in the UK, drops one or more coins or tokens into a slot and is marked with one to three or more by pulling a handle or pressing a button. Gambling devices that rotate reels to activate horizontal segments through various symbols.
The term slot machine comes from the slot of the machine for inserting and removing coins. The "Fruit Machine" comes from the traditional fruit image of spinning reels such as lemons and cherries.
slots are more popular than table games for a reason. it's simple. Simply drop the coin into the slot, press a button or pull the handle.
Learn more about slot machines here:https://brainly.com/question/15412350
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