题目
A hypothesis test for a normally-distributed population at a 0.05 significance level implies a:
选项
A.95% probability of rejecting a true null hypothesis.
B.95% probability of a Type I error for a two-tailed test.
C.5% critical value rejection region in a tail of the distribution for a one-tailed test.
答案
C
解析
： C is correct. For a one-tailed hypothesis test, there is a 5% critical value rejection region in one tail of the distribution. ： C正确。 对于单尾假设检验来说，在这个分布的单个尾巴上，有5%的拒绝区域。