An Aptitude Test Has a Mean Score of 80 and a Standard

question 30

Multiple Choice

An aptitude test has a mean score of 80 and a standard deviation of 5.The population of scores is normally distributed.What raw score corresponds to the 70^th percentile?

• A)77.4
• B)83.5
• C)82.6
• D)76.5

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Definitions:

Marginal Revenue

This is the increase in revenue that results from the sale of an additional unit of a product.

Marginal Cost

The change in total production cost that arises when the quantity produced is incremented by one unit.

Demand Curve

A diagram demonstrating how the price of an item correlates with the volume that consumers are ready to acquire at assorted prices.

Marginal Revenue Curve

A visual depiction illustrating the changes in marginal revenue as the level of produced output fluctuates.