A Company That Receives the Majority of Its Orders by Telephone

question 20

Multiple Choice

A 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 1/3) .What proportion of customers having to hold more than 1.5 minutes will hang up
Before placing an order?

• A) 0.86466
• B) 0.60653
• C) 0.39347
• D) 0.13534

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Definitions:

Good Looking

A term used to describe someone who is physically attractive.

Personality Characteristics

The traits and features that collectively define an individual's distinctive patterns of thinking, feeling, and behaving.

Ingroup

A social group to which a person psychologically identifies as being a member, often leading to favoritism towards ingroup members and discrimination against outgroup members.

Self-serving Bias

The common habit of a person taking credit for positive events or outcomes, but blaming outside factors for negative events.