A Survey of College Students Taking the Professional Exam to Be

question 64

Multiple Choice

A survey of college students taking the professional exam to be certified as public school teachers shows that 15 percent fail.On a national exam day,12,000 students take the test.Let x denote the number who fail.The mean and standard deviation of the random variable x are,respectively:

• A) 1800; 1530
• B) 1800; 39.11
• C) 10,200; 1530
• D) 10,200; 39.11
• E) 1200; 35.71

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Definitions:

Intangible Costs

Costs that are not directly measurable or quantifiable, such as brand reputation or employee morale.

Composite Score

A calculated metric that combines several individual scores or indicators into a single, overall measurement.

Factor Description

An explanation or elucidation of the elements or influences contributing to a situation or result.

Community Income

The total income generated by all members within a defined community, often used in analyses of economic health or planning.