test1
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2008-05-19 23:12:22
来自: 拌豆腐
(上海)
An activity has a optimistic duration estimate of 2 days, a mostly likely estimate of 5 days, and a pessimistic estimate of 8 days. What is the weighted average duration? A. 4 B. 5 C. 5.2 D. 5.5 E. 6 |
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2008-05-20 01:16:39 奔跑的蜗牛
B(O+4M+P)/6 = 5
竟然有5个选项，这是老版的题目了，别浪费时间在这上面了
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