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CPIM PART2-供应链资格认证考试
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单选题

Using a PERT network to manage projects generally involves a high degree of time uncertainty. To further clarify this uncertainty, the PERT team looked at time as a random variable to which statistics could be applied. Which of the following is not a time estimate to be used in solving the statistical probability of time during a project?

A
Optimistic time estimate
B
Valued time estimate
C
Most likely time estimate
D
Pessimistic time estimate

答案解析

正确答案:B

解析:

The team that developed PERT as a project technique was dealing with a significant amount of uncertainty in developing the first Polaris submarine. Many activities and their timeframes were unknown. Therefore, they developed techniques, grounded in statistical theory, to treat time as a random variable and allow managers to look at project completion time in a probabilistic fashion. These probabilistic methods require three time estimates for each activity: optimistic, most likely, and pessimistic.
CPIM PART2-供应链资格认证考试

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