You Wish to Construct a 90% Confidence Interval to Compare

question 31

Multiple Choice

You wish to construct a 90% confidence interval to compare two proportions.If we wish to obtain a margin of error of at most 0.04,what sample size should we take from each group? Assume equal sample sizes.

• A)423
• B)846
• C)1984
• D)845
• E)422

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Definitions:

Economic Development

The process by which a nation improves the economic, political, and social well-being of its people, often through increased industrial activity, infrastructure development, and workforce improvement.

Railroads

Transportation systems consisting of tracks and trains, used for the movement of goods and passengers.

Ganglion Cells

Types of neurons located near the inner surface of the retina of the eye, which process visual information and send it to the brain.

Axons

Long, thread-like structures in neurons that transmit electrical impulses away from the neuron's cell body, crucial for neural communication.