Confidence interval precision: We know that narrower

Last updated: 7/29/2022

Confidence interval precision: We know that narrower confidence intervals give us a more precise estimate of the true population proportion. Which of the following could we do to produce higher precision in our estimates of the population proportion? We can select a higher confidence level and increase the sample size. We can select a lower confidence level and increase the sample size. We can select a lower confidence level and decrease the sample size. We can select a higher confidence level and decrease the sample size.