Students Arrive Randomly at the Help Desk of the Computer

question 112

Multiple Choice

Students arrive randomly at the help desk of the computer lab. There is only one service agent, and the time required for inquiry varies from student to student. Arrival rates have been found to follow the Poisson distribution, and the service times follow the negative exponential distribution. The average arrival rate is 12 students per hour, and the average service rate is 20 students per hour. A student has just entered the system. How long is she expected to stay in the system?

• A) 0.125 minute
• B) 0.9 minute
• C) 1.5 minutes
• D) 7.5 minutes
• E) 0.075 hour

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Definitions:

Personal Unconscious

defined by Carl Jung, is a layer of the unconscious mind distinct from the collective unconscious, containing forgotten information and personal experiences.

Striving for Superiority

A core principle of Adlerian psychology emphasizing the driving force behind human behavior and development as an intrinsic desire to achieve personal excellence and overcome inferiority.

Sexual Motives

Desires or drives related to biological and psychological factors that inspire sexual behavior and experiences.

Dynamic Relationship

A relationship characterized by constant change, activity, or progress, particularly in the context of interactions between individuals or systems.