THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 19

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
The number of orders that come into a mail-order sales office each month is normally distributed with a mean of 298 and a standard deviation of 15.4.
-What proportion of the total area under the normal curve is above the mean?

• A)50%
• B)68%
• C)95%
• D)99.7%

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Definitions:

Marginal Costs

The increase in total cost that arises from producing one additional unit of a good or service.

Output

The amount of goods or services produced by a company, industry, or economy within a certain period.

Variable Costs

Costs that vary directly with the level of output, such as raw materials and direct labor expenses.

Labor

The human effort, either physical or mental, employed in the production of goods and services.