The Ages of MBA Students at a University Are Normally

question 43

Multiple Choice

The ages of MBA students at a university are normally distributed with a known population variance of 10.24. Suppose you are asked to construct a 95% confidence interval for the population mean age if the mean of a sample of 36 students is 26.5 years. If a 99% confidence interval is constructed instead of a 95% confidence interval for the population mean, then ________.

• A) the resulting margin of error will increase and the risk of reporting an incorrect interval will increase
• B) the resulting margin of error will decrease and the risk of reporting an incorrect interval will increase
• C) the resulting margin of error will increase and the risk of reporting an incorrect interval will decrease
• D) the resulting margin of error will decrease and the risk of reporting an incorrect interval will decrease

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Definitions:

Psychology

The scientific study of the mind and behavior, encompassing various aspects of conscious and unconscious experiences as well as thought processes.

Philosophy

The study of the fundamental nature of knowledge, reality, and existence, especially when considered as an academic discipline.

Organizational Turnover

The rate at which employees leave a company and are replaced by new employees, which can affect an organization's operational efficiency and culture.

Performance Appraisal

The evaluation of a person’s performance.