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

question 14

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:

Frontline Employees

Workers who directly interact with customers, representing the face of the company and playing a critical role in customer service.

Pay Incentive

A financial or material reward provided to employees as a means to increase productivity, motivation, or achieve specific business outcomes.

Positive Reinforcement

A method of encouraging desired behavior by offering rewards or positive outcomes.

Critical Project

A project of high importance that often has deadlines, specific goals, and significant consequences for success or failure.