Analysis of a Random Sample of 250 Illinois Nurses Produced $95 \%$

question 10

Multiple Choice

Analysis of a random sample of 250 Illinois nurses produced a $95 \%$ confidence interval for the mean annual salary of $\$ 42,846 < \mu$ (Nurse Salary) $< \$ 49,686$

• A) About \(95 \%\) of Illinois nurses earn between \(\$ 42,846\) and \(\$ 49,686\).
• B) We are \(95 \%\) confident that the average nurse salary in the U.S. is between \(\$ 42,846\) and \(\$ 49,686\).
• C) If we took many random samples of Illinois nurses, about \(95 \%\) of them would produce this confidence interval.
• D) We are \(95 \%\) confident that the interval from \(\$ 42,846\) to \(\$ 49,686\) contains the true mean of all Illinois nurses.
• E) About \(95 \%\) of the nurses surveyed earn between \(\$ 42,846\) and \(\$ 49,686\).

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Definitions:

Best Practices

Methods or techniques that have been consistently shown through research and experience to yield superior results.

Dominant Group

Refers to the most powerful, influential, or numerous group within a society, organization, or category, often setting norms and standards.

Stereotypical False Assumptions

Erroneous beliefs or ideas that are oversimplified and generalized, lacking accuracy or factual grounding.

Task-oriented Role

A role within a team that focuses on the completion of tasks and the achievement of goals, prioritizing efficiency and effectiveness.