The expectation of life formula is more convenient for making average time estimates than traditional sampling methods.doi:doi:10.1300/J105v08n02_02Stanley M. Verhoeven BA, MA, MLSCollection ManagementVerhoeven, S. M. (1986). The expectation of life formula applied to collection management. ...
expectation of life 英[ˌekspekˈteiʃən ɔv laif] 美[ˌɛkspɛkˈteʃən ʌv laɪf] 释义 n. 平均寿命,平均余年(某一年龄的人尚可期望活的平均年数,可由统计资料显示) 实用场景例句 全部 The plaintiff is aged 30 and has a normalexpectation of life....
英:[ˌekspekˈteiʃən ɔv laif] 美:[ˌɛkspɛkˈteʃən ʌv laɪf] expectation of life是什么意思 n. 平均寿命,平均余年(某一年龄的人尚可期望活的平均年数,可由统计资料显示); expectation of life 例句 1.Japanese people have a very high life expectancy. 日本人的平均...
Demoivre's formula life table life-enhancing therapy References in periodicals archive ? The expectation of life at 2012 for a life aged x last birthday is the sum over all t from 0 upwards of (t + 1/2) * pd_{x + t, t}. Funding pensions in Scotland: would independence matter? The...
In this paper, the relationship between mortality and expectation of life is explored in some detail, and formulae are developed for analysing the effects of mortality changes on expectation of life, and trends in mortality differentials on 0 differentials. Unlike Keyfitz (1977), who concentrates ...
5)expectation of life生命期望 6)mathematic expectation数学期望 1.This paper discusses classical model,formula of total probability,normal distribution,mathematic expectation and the central limit theorem.围绕古典概型,全概率公式,正态分布,数学期望,极限定理等有关知识,探讨概率统计知识在实际生活中的广泛应用,...
aseveral factors that contribute to wisdom 对智慧贡献的几个因素 [translate] a期望值 在这里我们利用期望公式进行计算。期望值 的值为: The expected value uses the expectation formula in here us to carry on the computation.The expected value value is: [translate] ...
In decision theory, a measure of the value or utility expected to result from a given strategy, equal to the sum over states of nature of the product of the probability of the state times the consequence or outcome of the strategy in terms of some value or utility parameter. Abbreviated EV...
aYou can't connect the dots looking forward; you can only connect them looking backwards. So you have to trust that the dots will somehow connect in your future. You have to trust in something – your gut, destiny, life, karma, whatever. This approach has never let me down, and it ha...
1.A quantity expressing a typical or average value of a random variable. 2.The sum (for discrete variables) or integral (for continuous variables) of the product of a random variable with its probability density function, over its range of values. ...