【单选题】![](https://cos-cdn.shuashuati.com/shuashuati-wap/asset/rightlogo.png)
三点法统计估算公式:期望值=
A.
(乐观估算+(4X最可能估算)+悲观估算)X6
B.
(乐观估算+(4X最可能估算)+悲观估算)/6
C.
(乐观估算+(4X最可能估算)X悲观估算)/6
D.
(乐观估算+(4+最可能估算)+悲观估算)/6
举报
参考答案:
![](https://cos-cdn.shuashuati.com/shuashuati-wap/asset/rightlogo.png)
参考解析:
![](https://cos-cdn.shuashuati.com/shuashuati-wap/asset/rightlogo.png)
举一反三
![](https://cos-cdn.shuashuati.com/shuashuati-wap/asset/rightlogo.png)
【单选题】三点法统计估算公式:期望值=( )
A.
(乐观估算+(4X最可能估算)+悲观估算)× 6
B.
(乐观估算+(4X最可能估算)+悲观估算)/ 6
C.
(乐观估算+(4X最可能估算)×悲观估算)/ 6
D.
(乐观估算+(4+最可能估算)+悲观估算)/ 6