The method is expected to produce a single estimate, usually after feasibility analysis and requirements gathering activities.

这个方法通常在可行性分析和收集需求活动以后产生单一的评估。

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Instead of this single value, a random variable has a function that describes the likelihood of values for the estimate and is called the variable's probability distribution.

取代单个值，随机变量拥有描述估计值可能性的函数，该函数称为变量的概率分布。

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In all cases, a range, even of only a few value estimates is better than a single "point" estimate based on the assumption that all "will go well."

在所有情况下，一组，甚至只是几个价值估计要比基于一切“都将顺利进行”的假设的单独“一点”的估计要好。

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Oppenheimer: In the past, we provided a single point estimate of guidance that was conservative, that we had reasonable confidence in achieving.

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In the past we provided a single point estimate that was conservative.

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In the past, we gave you a single point estimate of guidance that was conservative, that we had as reasonable confidence as you can have that we would achieve.

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