Which is true about a 99% confidence interval for a population proportion based on a given sample?

I. We are 99% confident that the population proportion is in our interval.
II. There is a 99% chance that our interval contains the sample proportion.
III. The interval is wider than a 95% confidence interval would be.

A) II only
B) I and III
C) I only
D) None are true
E) III only
F) II and II

I think the answer would be E...

1 answer

I would say B.