Confidence interval precision: We know that narrower confidence intervals give us a more precise estimate...
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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.
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