5 Using the problem stated in the Special window, Calculate the deviation of duration for the task, using the PERT concept of standard deviation of task duration.
A.
0.5
B.
1.0
C.
1.8
D.
2.2
E.
2.8
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参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【单选题】I _____ Lin Dong, My English name _____ Gina. [ ]