The binomial test
is used for the study of rare events.
It calculates the exact probability of
finding 'x' or more failures (or white
or male or large or tail) as opposed
to nx or less successes (or black or
female or small or heads) after having
done 'n' experiments, 'n' observations
or studying a sample of size 'n'. This
particular procedure also gives a double
sided binomial probability.
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