A 99% confidence interval estimate for a population mean is determined to be 85.58 to 96.62. If the confidence level is reduced to 90%, what happens to the confidence interval for ?
A) It becomes wider.
B) It remains the same.
C) It becomes narrower.

Question

A 99% confidence interval estimate for a population mean  is determined to be 85.58 to 96.62. If the confidence level is reduced to 90%, what happens to the confidence interval for  ?
A) It becomes wider. 
B) It remains the same. 
C) It becomes narrower.

Quizplus · Accepted Answer

The Answer of A 99% confidence interval estimate for a population mean  is determined to be 85.58 to 96.62. If the confidence level is reduced to 90%, what happens to the confidence interval for  ?
A) It becomes wider. 
B) It remains the same. 
C) It becomes narrower.

A 99% Confidence Interval Estimate for a Population Mean