A 95% confidence interval estimate for a population mean $\mu$ is determined to be 75 to 85.If the confidence level is reduced to 80%,the confidence interval for $\mu$ becomes wider.

Name: A 95% confidence interval estimate for a population mean $\mu$ is determined to be 75 to 85.If the confidence level is reduced to 80%,the confidence interval for $\mu$ becomes wider.
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Quizplus · Accepted Answer

False. When the confidence level is reduced, the confidence interval actually becomes narrower.

A 95% Confidence Interval Estimate for a Population Mean μ\muμ Is Determined to Be 75 to 85

A 95% Confidence Interval Estimate for a Population Mean $\mu$ Is Determined to Be 75 to 85