For a fixed sample size and standard deviation,the width of a confidence interval for a population mean $\mu$
will increase as the level of confidence decreases.

Question

For a fixed sample size and standard deviation,the width of a confidence interval for a population mean $\mu$ 
will increase as the level of confidence decreases.

Quizplus · Accepted Answer

The width of a confidence interval for a population mean $\mu$ will decrease as the level of confidence decreases, because a lower confidence level means you require less certainty about where the true parameter lies, resulting in a narrower interval.

For a Fixed Sample Size and Standard Deviation,the Width of a Confidence