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:

Apprenticeship

A form of education in which a young person learns a craft or skill by spending an extended period of time working for an adult master.

Formal Education

The most structured type of explicit education, through which adults instruct the young in the specialized knowledge and skills of their culture.

Specialized Knowledge

Expertise or skills in a specific, narrowly defined field or area of study.

Socialization

The process by which individuals learn and internalize the values, beliefs, and norms of their society or cultural group, forming their identity and societal roles.