Lottery

A lottery is a game in which prizes are allocated by random draw among purchased entries. Its defining feature is that chance, rather than skill, determines which entries win.

Random sampling: A procedure that selects items from a population using chance. A lottery draw uses random selection to determine winning entries.
Han dynasty: A Chinese imperial dynasty that ruled from 206 BCE to 220 CE. Keno-like games are associated with this period, though early lottery histories are uncertain.
State lottery: A government-operated lottery that sells entries and awards prizes under public regulation. State lotteries combine consumer games with public revenue collection.
Gambling disorder: A behavioral disorder marked by persistent gambling that causes significant harm or impairment. Lottery play can contribute to harmful gambling for people who struggle to control it.
Probability: The mathematical framework for measuring uncertainty and the likelihood of events. It quantifies an entry’s chance of winning under specified draw rules.
Civic lottery: A lottery organized by a government or civic body to allocate money, goods, or opportunities. Early lotteries often raised public funds rather than serving as entertainment alone.
Lottery bond: A government bond whose returns include a chance to win prizes instead of conventional interest. It uses lottery-style prizes to make public borrowing appealing to savers.
Regressive tax: A tax that takes a larger share of income from lower-income people than from higher-income people. Lottery spending can function like a regressive levy when lower-income groups spend more relative to income.
Expected value: The probability-weighted average of possible outcomes of a decision or gamble. It compares a ticket’s average monetary return with its purchase price.
Dutch lottery: A public lottery tradition in the Low Countries, documented in the fifteenth century. Records from the Low Countries are among the earliest evidence of lotteries resembling modern games.

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