数理统计在经济学中的应用研究

tion of more and mon, as the effective tool of the economy, it has brought new hope in economic field and prospect. This paper, by using mathematical expectation, regression analysis and other methods of mathematical statistics, through the central limit theorem and the knowledge of mathematical statistics, for example research examples of various economic social reality, such as how to realize the ultimate goal of profit maximization, merchants to help businesses solve predict and avoid investment risk to achieve the correct decision-making, for the majority of the people how to buy insurance pensate for the economic loss and how to use the hope to solve the problem of discrete random variable and other economic problems РKey words: Mathematical; statistics; Random variable; Expectations;