In a Hypothesis Test, Which of the Following Will Cause $\beta$

Multiple Choice

In a hypothesis test, which of the following will cause a decrease in $\beta$ , the probability of making a type II error?

A: Increasing $\alpha$ while keeping the sample size $n$ , fixed
B: Increasing the sample size $n$ , while keeping $\alpha$ fixed
$\mathrm { C }$ : Decreasing $\alpha$ while keeping the sample size $n$ , fixed
D: Decreasing the sample size $n$ , while keeping $\alpha$ fixed

A) A and D
B) A and B
C) C and D
D) B and C