题目
The probability of correctly rejecting the null hypothesis is the:
选项
A.p-value.
B.power of a test.
C.level of significance.
答案
B
解析
： B is correct. The power of a test is the probability of rejecting the null hypothesis when it is false. ： B正确。 Power of a test是指：当原假设为假时，拒绝原假设的概率。