Question: What three factors determine the width of a confidence interval? For a given sample, which would be wider, a 95% confidence interval or a 99%

What three factors determine the width of a confidence interval?

For a given sample, which would be wider, a 95% confidence interval or a 99% confidence interval? Why?

How often do you find intervals that do not include the true mean as you increase the confidence level from 80 to 99%? Why?

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