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2012 (Vol. 4, Issue: 02)
Article Information:

Application of Mathematical Expectation in Economical Field

Wen Jing-Hua, Zhang Mei and Yu Xi
Corresponding Author:  Wen Jing-Hua 

Key words:  Economic question, investment decision, mathematical expectation, sales profits, , ,
Vol. 4 , (02): 86-89
Submitted Accepted Published
2011 September, 23 2011 November, 04 2012 January, 15

In the economical field, mathematical expectation is one of the important digital characters of the random variables. Many decision variables in economy problem are random variables; it is difficult to define their concrete distribution. In this study, based on mathematical statistics method and finite difference theory, we resolve the economical decision questions using the mathematical expectation. Moreover, the application of mathematical expectation in economical question was analyzed by example from two aspects of investment decision and sales profits. The results in our analysis show that mathematical expectation plays a great application in production and sales profit.
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  Cite this Reference:
Wen Jing-Hua, Zhang Mei and Yu Xi, 2012. Application of Mathematical Expectation in Economical Field.  Research Journal of Applied Sciences, Engineering and Technology, 4(02): 86-89.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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