Assertion: coin | /r/HasProperty | fair
Facets:
Source sentences:
text: To flip a coin to see whether it lands heads or tails is to use it as a two-sided dice in what is known in mathematics as a Bernoulli trial: if the probability of heads (in the parlance of Bernoulli trials, a "success") is exactly 0.5, the coin is fair.
text: A commonly treated textbook topic is that of checking if a coin is fair.