在不确定分析中，当净现值期望值相对较低，需进一步了解项目经济效益发生在某一区间的可能性有多大，则应计算这个区间内所有可能取值的概率之和，即累积概率(cumulative probability)，用P(NPV≥0)表示。
例如，累积概率（Cumulative Probability）就是违约人数不超过5个的概率，而尾端风险（Tail Risk）就是违约人数超过5个的概率。
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二项分布累积概率 binopdf
累积概率分布 cumulative probability distribution
累积概率分布函数 cumulative probability distribution function ; cumulative distribution function ; cumulative probability distribution function of dd
累积概率和累积概率的 logit
累积概率函数 [数] cumulative probability function
单位时点的累积概率 Cumul Probability Densty
NB模型累积概率 NB cumulative probabilistic model
累积概率曲线 cumulative probability curve
累积失效概率 cumulative failure probability
Non-dimensionalized with average wave height, the accumulative probability of wave height in wave groups with long runs is remarkably larger than that with short runs.
当以平均波高无因次化,波群连长较大时波群中波高累积概率明显大于连长较小时的情形。
参考来源 - 波群中波高分布的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
用累积概率表示发震的可能程度可作为马氏链预测发震时间的补充；
Using cumulative probability to estimate the possible stage of earthquake occurrence can fulfill the origin time of Markov chain.
总结了雷电流幅值的累积概率分布，研究了雷暴日与地闪密度之间的关系。
The spacitial distributions of lightning acativities were shown in Google Earth (GE). Meanwhile, the relationship between lightning day and ground lightning density had been investigated.
当以平均波高无因次化，连长较大时波群中波高累积概率明显大于连长较小时情形。
Non-dimensionalized with average wave height, the accumulative probability of wave height in wave groups with long runs is remarkably larger than in wave groups with short.
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