预防成本包括()。

在培训新的项目团队成员时，项目团队成员问你核实范围应该怎么做，你的回答是：

在项目中期，一个承包商告诉你他因为没有资源而不能完成项目，通常最应该做的事情是：

For which of the following can the work breakdown structure be used？

A project of 2 million has an adverse event that has the probability of 50% of occurrence and a potential loss of $20,000. This represents an expected negative value of: