Ӧ�ø���ͳ�� 2011, 27(4) 391-398 DOI:      ISSN: 1001-4268 CN: 31-1256

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Computation of Interval Probability for Bankruptcy Procedure in Term Life Insurance With Uncertain Environment
Wan Zhong,Hu Chaoming,Yin Wei
Central South University

In this paper, a new model is constructed
by taking uncertain environment into consideration for the
bankruptcy risk problems in term life insurance, where the mortality
rate is regarded as an interval parameter and the net insurance
policy is a random parameter. Formula for computing the interval
probability of bankruptcy is obtained, an approximation method owing
to Poisson distribution is studied. Since some important aspects
have been taken into consideration in the new formulation, such as
the accumulating interest of initial reserve, the entry of new
customers at any time, the design of new grouping fashion and the
uncertain environment, the result obtained in this paper is more
practical than the existing models.

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