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Which is true about a 98% confidence interval for a population proportion based on a given sample?
I. We are 98% confident that other sample proportions will be in our interval.
II. There is a 98% chance that our interval contains the population proportion.
III. The interval is wider than a 95% confidence interval would be.
a. I only
b. I and II
c. II only
d. None
e. III only

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