()不是招投标的基本特征。
如果事件1发生的概率是80%而事件2是70%,并且它们是独立的事件,则两个事件同时发生的概率是多少?()
Change requests are an integral part of a project, and one of the ways a PM controls scope changes. Change requests are a result of:
项目可替代方案是在项目的阶段被测定的 ()
All the following are needed to create the WBS EXCEPT?