An Aptitude Test Has a Mean of 500 and a Standard

question 27

Multiple Choice

An aptitude test has a mean of 500 and a standard deviation of 40. The test scores are normally
Distributed. If 2,000 people take the test, find the number of people who will score between 490 and
574.

• A)866
• B)1,567
• C)433
• D)1,134

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Definitions:

Long Run

A period in which all factors of production and costs are variable, allowing firms to adjust to market conditions.

Plant Size

The physical capacity or scale of a manufacturing facility, which can influence production output and operational efficiency.

Factors Of Production

The resources used in the creation of goods or services, traditionally categorized into land, labor, capital, and entrepreneurship.

Short Run

A period in economics where at least one input (like capital) is fixed, limiting the ability of a firm to adjust fully to market changes.