Students Arrive Randomly at the Help Desk of the Computer

question 85

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. What is the average service time for this problem?

• A) 1 minute
• B) 2 minutes
• C) 3 minutes
• D) 5 minutes
• E) 20 minutes

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Definitions:

Negative Symptoms

Characteristics that indicate the absence or diminution of normal functions, often associated with certain mental health conditions, such as a lack of emotion or motivation.

Apathy

Apathy is a lack of interest, enthusiasm, or concern towards activities or life in general.

Psychopharmacology

The scientific study of the effects drugs have on mood, sensation, thinking, and behavior.

Psychological Well-being

A state of mental health that encompasses positive emotions, fulfillment, satisfaction with life, and well-functioning in daily activities.