A Catalog Company That Receives the Majority of Its Orders

question 52

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 waiting time was found to be a variable best approximated by an exponential distribution with a mean length of waiting time equal to 3 minutes (i.e.the mean number of calls answered in a minute is ) .What proportion of customers having to hold more than 4.5 minutes will hang up before placing an order?

• A)0.22313
• B)0.48658
• C)0.51342
• D)0.77687

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Definitions:

Utopian Communities

Idealistic or visionary communities designed to create a perfect society, often characterized by a shared ideology and lifestyle.

Civil War

A war between citizens of the same country.

Institution Building

The process of establishing and structuring new organizations or systems that fulfill societal, economic, or political needs.