Which Is True About a 98% Confidence Interval for a Population

question 358

Multiple Choice

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) II only
• B) I and II
• C) I only
• D) none of these
• E) III only

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Definitions:

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Large mammals known for their distinctive long trunks, large ears, and social complexity, found in Africa and Asia and considered to be highly intelligent.

Dolphins

Aquatic mammals known for their high intelligence, social complexity, and ability to communicate through a variety of sounds.

Nervous Systems

Complex networks of nerves and cells that transmit signals between different parts of the body, coordinating actions and sensory information.

Sea Anemones

Marine invertebrates known for their colorful, flower-like appearance and their symbiotic relationships with clownfish and other species.