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

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

Correct Answer:

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