In a sample of 200 individuals, 130 indicated they are Democrats.Develop a 95% confidence interval for the proportion of Democrats in the population.

Confidence Interval

An interval estimate derived from a sample that is likely to cover an unknown population parameter with a specified level of confidence.

Proportion

A statistical measure expressing the part of a whole, often presented as a fraction, decimal, or percentage.

Comprehend the methodology for creating a confidence interval for a population proportion.
Understand the connection between sample size, confidence level, and margin of error.

Verified Answer

Final Answer :

.5339 to .6661 (rounded)

Learning Objectives

Comprehend the methodology for creating a confidence interval for a population proportion.
Understand the connection between sample size, confidence level, and margin of error.