A Catalog Company That Receives the Majority of Its Orders

question 44

Multiple Choice

A catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product. The length of time was found to be a random variable best approximated by an exponential distribution with a mean equal to 2.8 minutes. What proportion of callers is put on hold longer than 2.8 minutes?

• A) 0.50
• B) 0.367879
• C) 0.60810
• D) 0.632121

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Definitions:

Equilibrium Price

The cost where the amount of a product or service sought by consumers matches the amount available, achieving equilibrium in the market.

Supply and Demand

A fundamental economic model that explains how the price and quantity of goods and services are determined in a market through the interaction of suppliers and consumers.

Equilibrium Quantity

The amount of goods or services supplied that is exactly equal to the amount of goods or services demanded at a given price.

Multi-Touch Screens

Interactive display technology that recognizes simultaneous touches by one or more users, enabling gestures and interaction with content.