Students Arrive Randomly at the Help Desk of the Computer

question 100

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. On average, how long does it take to service each student?

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

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Definitions:

Coping Thoughts

Cognitive strategies that individuals use to manage and deal with stress, adversity, or challenges in a constructive way.

Flawless Manner

An unrealistic expectation of performing tasks or duties perfectly, without mistakes or flaws.

Cognitive Modeling

A technique in psychotherapy where the therapist demonstrates a desired behavior or cognitive process as a way for the client to learn and adopt new skills or ways of thinking.

Reframing Responses

The technique of changing the way situations or thoughts are viewed to alter emotional and behavioral responses.