单选题
1分
Since you are in the preliminary stages of your project, you estimate that your project will most pr...
Since you are in the preliminary stages of your project, you estimate that your project will most probably last 1 year-however, optimistic scenario is that it will get over within 6 months and pessimistic scenario is 18 months. This kind of estimate is also called ______ .
参考答案: C
参考解析: [解析] 在项目筹备阶段, 你估算这个项目很可能在1年完成, 然而乐观估计这个项目会在6个月完成, 悲观估计这个项目历时大概为18个月。这种估算被称为 ______ 。
A) 确定的 B) 资本成本 C) 量级估算 D) 可行性
估算有不同的精确程度,量级估算准确度在-50%到+100%之间。