When the level of confidence and sample proportion $\hat { p }$
Remain the same,a confidence interval for a population proportion p based on a sample of n = 100 will be ______________ a confidence interval for p based on a sample of n = 400.
A)Wider than
B)Narrower than
C)Equal to

Question

Quizplus · Accepted Answer

A confidence interval based on a smaller sample size (n = 100) will be wider than one based on a larger sample size (n = 400) because larger samples provide more information and thus result in more precise (narrower) confidence intervals.

When the Level of Confidence and Sample Proportion p^\hat { p }p^​

When the Level of Confidence and Sample Proportion $\hat { p }$