Suppose a Researcher Wants to Make Sure That the Probability

Multiple Choice

Suppose a researcher wants to make sure that the probability of committing a Type I error is less than 5%.How can the researcher control for this?

A) set the value for a Type II error at .05
B) set the alpha level at .05
C) place the rejection region in both tails
D) set the alpha level at .05 and place the rejection region in both tails