A 90% confidence interval estimate for a population mean $\mu$
is determined to be 72.8 to 79.6.If the confidence level is reduced to 80%,the confidence interval for $\mu$
becomes narrower.

Name: A 90% confidence interval estimate for a population mean $\mu$ is determined to be 72.8 to 79.6.If the confidence level is reduced to 80%,the confidence interval for $\mu$ becomes narrower.
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Question

A 90% confidence interval estimate for a population mean $\mu$ 
is determined to be 72.8 to 79.6.If the confidence level is reduced to 80%,the confidence interval for $\mu$ 
becomes narrower.

Quizplus · Accepted Answer

Reducing the confidence level decreases the margin of error, resulting in a narrower confidence interval.

A 90% Confidence Interval Estimate for a Population Mean μ\muμ Is Determined to Be 72

A 90% Confidence Interval Estimate for a Population Mean $\mu$ Is Determined to Be 72