单选题
编号：2692076
1. Which of the following statements about hypothesis testing is most accurate?
- A.Rejecting a true null hypothesis is a Type I error.
- B.The power of a test is the probability of failing to reject the null hypothesis when it is false.
- C.For a one-tailed test involving X,the null hypothesis would be H0:X=0,and the alternative hypothesis would be HA:X≠0.