Chapter 5 is METPB model and hypothesis test.

第五章，模型和假设检验。

The first one is simple hypothesis test problem.

第一个是简单假设检验问题。

The second one is two-sided hypothesis test problem.

第二个是双边假设检验问题。

The detections of three steps are failure by hypothesis test.

假设检验法在该三步检测中均为失败。

Understand how to calculate sample size for any given hypothesis test.

理解怎样计算一个给定的假设检验的样本量。