A line manager provides you with three estimates for his activity in your PERT network. His estimates are 2 weeks optimistically, 4 weeks most likely, and 12 weeks pessimistically. The expected time which would appear on the chart would be:A . 4 weeksB .

题目

A line manager provides you with three estimates for his activity in your PERT network. His estimates are 2 weeks optimistically, 4 weeks most likely, and 12 weeks pessimistically. The expected time which would appear on the chart would be:

A . 4 weeks

B . 5 weeks

C . 6 weeks

D . 7 weeks

E . None of the above.

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参考答案和解析
正确答案：B
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