A Company That Receives Most of Its Orders by Telephone

question 164

Multiple Choice

A company that receives most 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 2.8 minutes .What proportion of callers is put on hold longer than 2.8 minutes?

• A)0.3679
• B)0.50
• C)0.60810
• D)0.6321

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Definitions:

Electra

A psychoanalytic theory originally suggested by Carl Jung, referring to a girl's psychosexual competition with her mother for possession of her father.

Sigmund Freud

A neurologist from Austria who established psychoanalysis, a technique for addressing mental disorders via conversation between a psychoanalyst and their patient.

Carl Jung

A Swiss psychiatrist and psychoanalyst who founded analytical psychology, emphasizing the importance of the individual psyche and the personal quest for wholeness.

Alfred Adler

An Austrian medical doctor, psychotherapist, and founder of the school of individual psychology, known for emphasizing the importance of feelings of inferiority and the creative self in the development of personality.