Using An $\alpha$ = 004, a Confidence Interval for a Population Proportion Is Determined

question 75

Multiple Choice

Using an $\alpha$ = 0.04, a confidence interval for a population proportion is determined to be 0.65 to 0.75. If the level of significance is decreased, the interval for the population proportion

• A)becomes narrower
• B)becomes wider
• C)does not change
• D)Not enough information is provided to answer this question.

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Definitions:

Fixed Costs

Regular expenses that do not vary with the volume of production or sales, such as rent, salaries, and insurance premiums.

Capacity

The maximum amount or number that something can contain or accommodate.

Variable Costs

Costs that change in proportion to the level of production or sales volume.

Fixed Costs

Costs that do not vary with the level of output or activity, remaining constant over a period.