Question: When the level of confidence and sample proportion remain the same, a confidence interval for the population proportion p based on a sample of n=100

When the level of confidence and sample proportion remain the same, a confidence interval for the population proportion p based on a sample of n=100 observation will be ___ a confidence interval for p based on a sample n= 400 observations.

A. equal to

B. narrower than

C. wider than

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