When the level of confidence and sample size remain the same, a confidence interval for a population proportion, p, will be ________ when (1 − ) is larger than when (1 − ) is smaller.
A) wider
B) narrower
C) neither wider nor narrower (they will be the same)

Question

When the level of confidence and sample size remain the same, a confidence interval for a population proportion, p, will be ________ when  (1 −  ) is larger than when  (1 −  ) is smaller.
A) wider 
B) narrower 
C) neither wider nor narrower (they will be the same)

Quizplus · Accepted Answer

When the sample proportion is large, once must be more precise.

When the Level of Confidence and Sample Size Remain the Same