Question

fill in the blank. a type i error is the mistake of ______ when it is actually true. a. rejecting the null hypothesis b. rejecting the alternative hypothesis c. failing to reject the null hypothesis d. failing to reject the alternative hypothesis

Explanation:

In hypothesis testing, a Type I error occurs when we wrongly reject a hypothesis that is actually true. The null hypothesis ($H_0$) is the hypothesis we test. So, a Type I error is rejecting the null hypothesis when it is true.

Answer:

A. rejecting the null hypothesis