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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. The party who calls the side that is facing up when the coin lands wins.
Tails. −1, +1. +1, −1. Matching pennies. Matching pennies is a non-cooperative game studied in game theory. It is played between two players, Even and Odd. 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 ...
Penney's game. Penney's game, named after its inventor Walter Penney, is a binary (head/tail) sequence generating game between two players. 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.
Mode (s) Single-player. Nord and Bert Couldn't Make Head or Tail of It is an interactive fiction video game written by Jeff O'Neill and published by Infocom in 1987. It was released simultaneously for Amiga, Apple II, Atari ST, Commodore 64, MS-DOS, and Mac. Nord and Bert is unique among Infocom games in that it presents wordplay puzzles.
This speeds up play as the Spinner can't "Toss the Kip" after a single throw (selecting a new spinner takes time, interrupting play). If the spinner throws successive odds they lose: I.e., if five odds thrown before a tails loses while three heads are required to win, then "odds, heads, odds, odds, heads, odds, odds" would be a loss.
The obverse of a coin is commonly called heads, because it often depicts the head of a prominent person, and the reverse tails. In numismatics, the abbreviation obv. is used for obverse, [1] while ℞, [1])([2] and rev. [3] are used for reverse. Vexillologists use the symbols "normal" for the obverse and "reverse" for the reverse.
The gambler's fallacy, also known as the Monte Carlo fallacy or the fallacy of the maturity of chances, is the belief that, if an event (whose occurrences are independent and identically distributed) has occurred less frequently than expected, it is more likely to happen again in the future (or vice versa). The fallacy is commonly associated ...
Rules. First, a row of eight cards are dealt; this is the "Heads" row. Then 8 piles of 11 cards are dealt; this is reserve. Below them is another row of eight cards, the "Tails" row. The object of the game is to free one Ace and one King of each suit and build each of them by suit; the Aces are built up to Kings while the Kings are built down ...