In this paper, we give computing methods about net premium and net premium reserve of whole life insurances under stochastic rate of interest.
本文给出了在随机利率下，终身寿险的纯保费和纯保费责任准备金的计算方法。
2
The computing cases show that both the mean discharge process and variance process can be given for the stochastic flow concentration model.
提供的算例表明，对于随机汇流模型，不仅可以给出均值出流过程，而且同时可以给出其方差过程。
3
Since urban travel times are stochastic and uncertain, a model for addressing urban travel time prediction by using transport information granular computing theory based on rough set was proposed.