QI Zhi-peng, LI Yuan-ting, BI Gong-ping. An Application of Probability Density Function of Normal Distribution[J]. Journal of nanchang hangkong university(Natural science edition), 2011, 25(2): 20-22.
Citation: QI Zhi-peng, LI Yuan-ting, BI Gong-ping. An Application of Probability Density Function of Normal Distribution[J]. Journal of nanchang hangkong university(Natural science edition), 2011, 25(2): 20-22.

An Application of Probability Density Function of Normal Distribution

  • This paper introduces a method to prove a problem of mathematical analysis by 3σ-rule of probability density function of normal distribution and shows necessity of this method by the conclusion of theorem 2 in some degrees.
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