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Coin flipping, coin tossing, or heads or tails is the practice of throwing a coin in the air and checking which side is showing when it lands, in order to randomly choose between two alternatives. It is a form of sortition which inherently has two possible outcomes.
Player A selects a sequence of heads and tails (of length 3 or larger), and shows this sequence to player B. Player B then selects another sequence of heads and tails of the same length. Subsequently, a fair coin is tossed until either player A's or player B's sequence appears as a consecutive subsequence of the coin toss outcomes. The player ...
"flip a coin" will flip a coin: heads or tails. [95] [23] "fun facts" or "i'm feeling curious" will show a fun fact. Once a search result has been given, clicking on "Ask another question" will show another question.
Flipism, sometimes spelled "flippism", is a personal philosophy under which decisions are made by flipping a coin.It originally appeared in the Donald Duck Disney comic "Flip Decision" [1] [2] by Carl Barks, published in 1953.
Each player has a penny and must secretly turn the penny to heads or tails. The players then reveal their choices simultaneously. If the pennies match (both heads or both tails), then Even wins and keeps both pennies. If the pennies do not match (one heads and one tails), then Odd wins and keeps both pennies.
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Unlike other types of quantum cryptography (in particular, quantum key distribution), quantum coin flipping is a protocol used between two users who do not trust each other. [3] Consequently, both users (or players) want to win the coin toss and will attempt to cheat in various ways. [3]
Using for heads and for tails, the sample space of a coin is defined as: Ω = { H , T } {\displaystyle \Omega =\{H,T\}} The event space for a coin includes all sets of outcomes from the sample space which can be assigned a probability, which is the full power set 2 Ω {\displaystyle 2^{\Omega }} .