Imagine that a sample size of 300 provides a confidence interval of +/- 4%.If you wanted to change the confidence interval to +/- 2% you would need to ________ the sample size.
A)reduce
B)increase

Question

Quizplus · Accepted Answer

To decrease the confidence interval, the sample size would need to increase. This is because a larger sample size reduces the margin of error, resulting in a narrower confidence interval.

Imagine That a Sample Size of 300 Provides a Confidence