抽样统计是决定一个项目的一些组件或产品是否满足需要的一种方法。最大的优点是它——（）

项目风险的三个属性是（）、（）和（）

质量成本一般分为()。

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:

Your manager gives you a scope of work and asks you to begin working immediately and provide her a schedule . What should you do FIRST？