We Are About to Test a Hypothesis Using Data from a Well-Designed

Multiple Choice

We are about to test a hypothesis using data from a well-designed study. Which is true?
I. A small P-value would be strong evidence against the null hypothesis.
II. We can set a higher standard of proof by choosing $\alpha = 10 \% \text { instead of } 5 \%$
III. If we reduce the alpha level, we reduce the power of the test.

A) none of these
B) I only
C) III only
D) II only
E) I and III only