When You Construct a 90% Confidence Interval for a Population

question 99

Multiple Choice

When you construct a 90% confidence interval for a population proportion based on a sample, what is it that you are pretty sure is in your interval?
I. 90% of the sample data.
II. 90% of all sample proportions. III. The population proportion.

• A) I only
• B) I and II
• C) II only
• D) None
• E) III only

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Definitions:

Rainfall

The precipitation of water from clouds in the form of droplets, crucial for replenishing freshwater systems and supporting terrestrial life.

Highly Flammable

A characteristic of substances that easily ignite and burn in the presence of an ignition source.

Coastal Biome

An ecosystem located at the interface of the land and sea, characterized by unique plant and animal life adapted to its dynamic environment.

Dry Summers

Characteristic of the Mediterranean climate, referring to a period of the year with minimal rainfall and high temperatures.