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:

Long-Run Average Cost Curve

A curve showing the minimum average cost at which a firm can produce any given level of output in the long term, when all inputs are variable.

Small Firms

Small firms are businesses with a relatively small number of employees, limited revenue, and a localized operational base, often contributing significantly to innovation and employment.

Economies of Scale

Cost benefits that companies gain from their operation size, where the cost for each unit of production typically falls as the scale expands.

Constant Returns to Scale

A situation in production where increasing all inputs by a certain factor results in output increasing by the same factor.