The Width of a Confidence Interval Estimate for a Proportion

question 73

Multiple Choice

The width of a confidence interval estimate for a proportion will be

• A)narrower for 99% confidence than for 95% confidence.
• B)wider for a sample size of 100 than for a sample size of 50.
• C)narrower for 90% confidence than for 95% confidence.
• D)narrower when the sample proportion is 0.50 than when the sample proportion is 0.20.

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Definitions:

Materials Management

The function responsible for planning, sourcing, moving, and storing materials required to produce goods and services.

Physical Supply

The actual, tangible products and raw materials available in the market or held by a company.

Internal Balancing

A strategy where a state increases its own power in order to counter the power of potential adversaries.