As you increase the margin error of a confidence interval,the confidence level _________.(Note: Assume the sample size is fixed. )
A)increases
B)decreases
C)remains the same

Question

Quizplus · Accepted Answer

When you increase the margin error, you allow for a wider range of values to be included in the confidence interval. This increases the likelihood of including the true population parameter, which means the confidence level decreases. Therefore, the best choice is B, which means the confidence level decreases. The sample size being fixed does not affect this relationship.

As You Increase the Margin Error of a Confidence Interval,the