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The textbook corresponds to the curriculum of the discipline "Probability Theory and Mathematical Statistics" for students of higher educational institutions of economic direction. The first part of the textbook presents the basics of probability theory (basic theorems, discrete and continuous random variables, laws of distribution of discrete and continuous variables).
The second part presents the basics of mathematical statistics (sampling distributions of random variables, confidence intervals, statistical errors, etc., as well as the basics of regression analysis and planning experiments in technical and economic problems). The theoretical material is accompanied by numerous examples of the application of theoretical provisions to solving practical economic problems. For students of higher educational institutions, as well as engineering and technical specialists.