The width of a confidence interval estimate for a proportion will be: A) narrower when the sample proportion is 0.50 than when the sample proportion i

The width of a confidence interval estimate for a proportion will be: A) narrower when the sample proportion is 0.50 than when the sample proportion is 0.20. B) wider for a sample size of 100 than for a sample size of 50. C) narrower for 99% confidence than for 95% confidence. D) narrower for 90% confidence than for 95% confidence.

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