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Probability Theory
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- Год выхода издания
- 2013
Цитаты
- Medionцитирует4 года назад
Any set of r elements chosen from a population of n elements, without regard for order, is called a subpopulation of size r of the original population. The number of such subpopulations is given by
THEOREM 1.3. A population of n elements has precisely
subpopulations of size r < n. - Medionцитирует4 года назадThe number is sometimes called the number of combinations of n things taken r at a time (without regard for order).
- Medionцитирует4 года назадRoughly speaking, the probability P(A) of the event A equals the fraction of experiments leading to the occurrence of A in a large series of trials.
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