When is there a risk of a Type I error A Whenever H0 is reje

When is there a risk of a Type I error?

A) Whenever H0 is rejected
B) Whenever H1 is rejected
C) Whenever the decision is “fail to reject H0”
D) The risk of a Type I error is independent of the decision from a hypothesis test.

Solution

Type I error is incorrectly rejecting a true null hypothesis.

Thus, there is risk only if you

OPTION A: Whenever H0 is rejected. [ANSWER, A]