项目经理第一次承接移动端APP的软件开发项目，在做成本估算时，考虑了最不利的情况，估算出成本为90人/日，最有利的情况下成本为45人/日，公司的期望成本为60人/日。基于贝塔分布的三点估算法，该项目的估算成本为（ ）人/日。
- A.55
- B.50.5
- C.65
- D.62.5
正确答案及解析
正确答案
解析
本题知识点：项目成本管理三点估算=（最乐观情况+4×最可能情况+最悲观情况）÷6=（45+4×60+90）÷6=62.5
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