If Scores on an Exam Have a Mean of 50,a

question 250

Multiple Choice

If scores on an exam have a mean of 50,a standard deviation of 10,and are normally distributed,approximately 95 percent of those taking the exam would be expected to score between

• A)45 and 55.
• B)40 and 60.
• C)35 and 65.
• D)30 and 70.

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Definitions:

Benefit

An advantage or profit gained from something.

Foregone Benefit

The lost potential gain from other alternatives when one alternative is chosen.

Alternative Cost

Also known as opportunity cost, it represents the benefit that is missed or given up when choosing one alternative over another.

Comparative Cost

Analyzing and comparing the costs of different business strategies or production methodologies to identify the most effective option.