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二元混合型指数分布的识别性及其应用
引用本文:张菁菁,李国安. 二元混合型指数分布的识别性及其应用[J]. 宁波大学学报(理工版), 2011, 24(4): 45-50
作者姓名:张菁菁  李国安
作者单位:宁波大学理学院,浙江宁波,315211
摘    要:对新提出的一类二元混合型指数分布和其他三类二元混合型指数分布,讨论了它们的分布识别问题,即记z=min(x1,x2),I=i,当z=xi;记U-max(&,x2),J=j,当U=Xi;已知(Z,I)或(U,J)的分布,求(X1,X2)分布的唯一性问题.给出了(x1,x2)服从Marshall-Olkin型指数分布时,有关寿险中Z及u的精算现值的2个公式.

关 键 词:二元指数分布  混合型  识别性  精算现值

Identification of Bivariate Mixed Exponential Distribution and its Applications
ZHANG Jing-jing,LI Guo-an. Identification of Bivariate Mixed Exponential Distribution and its Applications[J]. Journal of Ningbo University(Natural Science and Engineering Edition), 2011, 24(4): 45-50
Authors:ZHANG Jing-jing  LI Guo-an
Affiliation:ZHANG Jing-jing,LI Guo-an(Faculty of Science,Ningbo University,Ningbo 315211,China)
Abstract:Considering a new bivariate mixed exponential distribution and other three kinds of bivariate mixed exponential distribution, the identification of their distributions is presented. Z = min (X1, X2) is first defined, by letting/=/ withZ=X; U=max(X1,X2) is defined. LetJ=jwhileU=Xj, if the distribution of (Z,I) or (U, J)is known, the uniqueness of the distribution of (X1, X2) needs being calculated. In the end, the author puts forth two formulae which are related to the net single premium of Z and U in life insurance, while (X1, X2) obey Marshall-Olkin type's exponential distribution.
Keywords:bivariate exponential distribution  mixed types  identification  the net single premium
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