probability theory

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Detailed solution control work on the theory of probability and mathematical statistics.

Probability theory - a branch of mathematics that studies the regularities of random phenomena: random events, random variables, their properties and operations on them. The statement that an event occurs with probability, such as 0.75, more is not in itself the final value, as we strive to reliable knowledge. The final cognitive value are those results of probability theory, which suggest that the probability of any sobytiyaAvesma close to unity or (equivalently) the probability of occurrence not sobytiyaAvesma small. In accordance with the principle of "neglect of sufficiently small probabilities" such an event is rightly considered almost certain. Having a scientific and practical interest of such conclusions it is usually based on the assumption that the occurrence or nonoccurrence sobytiyaAzavisit from a large number of random, little to do with each other faktorov.Poetomu can also be said that probability theory is a mathematical science, to find out the laws that arise in the interaction a large number of random factors