In the first lesson in this Learn By Doing you found that the margin of error of this poll was about 2.9%. What is the margin of error of the confidence interval you found in question 2? Comment on the apparent discrepancy.
In the first lesson in this Learn By Doing you found that the margin of error of this poll was about 2.9%. What is the margin of error of the confidence interval you found in question 2? Comment on the apparent discrepancy.