The Population of Lengths of Aluminum-Coated Steel Sheets Is Normally

question 123

Multiple Choice

The population of lengths of aluminum-coated steel sheets is normally distributed with a mean of 30.05 inches and a standard deviation of 0.2 inches.What is the probability that a sheet selected at random from the population is between 29.75 and 30.5 inches long?

• A).4332
• B).4878
• C).0546
• D).9210

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Definitions:

Producing Level

The quantity of goods or services that a firm decides to produce and offer to the market at a given time.

Input Markets

The markets where firms buy resources they need to produce goods and services.

Pure Competition

A market structure characterized by a large number of small firms, identical products sold by all firms, and free entry and exit in the market.

Equivalents

Items or quantities that are equal in value, function, or meaning.