Nervous Cruise Vacationers Besiege Tatiana, Their Excursion Coordinator, at the Port

question 19

Multiple Choice

Nervous cruise vacationers besiege Tatiana, their excursion coordinator, at the Port of Cozumel when they realize that all water excursions have been cancelled for no reason in particular. It takes her 2.5 minutes to find the customers an alternative excursion activity and customers cluster around her at the rate of 20 per hour. About how long does a customer spend waiting in line and receiving her valuable service if the service times are exponentially distributed and the arrivals follow a Poisson distribution?

• A)12.5 minutes
• B)4.17 minutes
• C)5 minutes
• D)15 minutes

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Definitions:

Ego Psychologists

Ego psychologists study the role of the ego in development and the ways it adapts to reality, managing the conflicts between the id, ego, and superego as outlined in Freudian psychological theory.

Conscious Thought

The process by which individuals are aware of and can think about their thoughts, feelings, and beliefs.

Freud

Sigmund Freud, an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.

Social Interest

A concept in psychology that refers to an individual's inclination towards empathy, cooperation, and a sense of belonging within a community.