NO.PZ2023091601000054
问题如下：
Which one of the following four
statements about hypothesis testing holds true if the level of significance
decreases from 5% to 1%?
选项：
A.
It becomes more
difficult to reject a null hypothesis when it is actually true.
B.
The probability of
making a Type I error increases.
C.
The probability of
making a Type II error decreases.
D.
The failure to
reject the null hypothesis when it is actually false decreases to 1 %.
解释：
AB 有什么区别 求解。
