If the chosen significant level is 5%, then there is a
A) 10% probability of rejecting a false null hypothesis.
B) 10% probability of rejecting a true null hypothesis.
C) 5% probability of rejecting a false null hypothesis.
D) 5% probability of rejecting a true null hypothesis.
E) none of the above

Question

Quizplus · Accepted Answer

A significance level of 5% means that we are willing to accept a 5% probability of rejecting a true null hypothesis (also known as a Type I error). Therefore, the correct choice is D, which states that there is a 5% probability of rejecting a true null hypothesis.

If the Chosen Significant Level Is 5%, Then There Is