A Sample of a Given Size Is Used to Construct

question 76

Multiple Choice

A sample of a given size is used to construct a 95% confidence interval for the population mean with a known population standard deviation. If a bigger sample had been used instead, then the 95% confidence interval would have been ________ and the probability of making an error would have been ________.

• A) wider; smaller
• B) narrower; smaller
• C) wider; unchanged
• D) narrower; unchanged

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Definitions:

Park Managers

Individuals responsible for overseeing the operations and maintenance of parks, ensuring they are safe, accessible, and enjoyable for the public.

Congressional Desires

Preferences or goals of members within the United States Congress, often reflecting their constituents' interests or policy objectives.

Oligopolistic Industry

An industry dominated by a small number of large firms, each of which can influence the market price and strategy, leading to competitive yet interdependent market conditions.

Industry Cost

The total expenses incurred by firms operating within a specific industry, including production, labor, and capital costs.