What happens to the confidence interval if you increase the confidence level from 95% to 99% while keeping the sample size constant?
A) It becomes narrower.
B) It remains the same.
C) It becomes wider.
D) It becomes undefined.
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What happens to the confidence interval if you increase the confidence level from 95% to 99% while keeping the sample size constant?
A) It becomes narrower.
B) It remains the same.
C) It becomes wider.
D) It becomes undefined.