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122 Using the problem stated in the Special window, Calculate the expected value of duration (in days) using the PERT concept of the expected duration of a task
A. 8.0
B. 8.8
C. 9.1
D. 9.7
E. 10.5
参考答案
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4 Using the problem stated in the Special window, Calculate the expected value of duration (in days) using the PERT concept of the expected duration of a taskA. 8.0B. 8.8C. 9.1D. 9.7E. 10.5
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一个估算员判定一个任务乐观估计需5天完成，悲观估计16天，但通常会花8天，采用三点估算得到的工期是（ ）天。A. 8.0
B. 8.8
C. 9.1
D. 9.7
E. 10.5
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