Students Arrive Randomly at the Help Desk of the Computer

question 12

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 10 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) 0.1 minute
• B) 3.0 minutes
• C) 1.5 minutes
• D) 7.5 minutes
• E) 6.0 minutes

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Definitions:

Employment Law

A branch of law that deals with the rights and obligations of working individuals, including issues related to hiring, dismissal, work conditions, and discrimination.

Collective Bargaining

The process through which unions negotiate with employers on behalf of their members to establish employment contracts, covering wages, hours, benefits, and working conditions.

NLRA

The National Labor Relations Act, a foundational law in the United States that protects employees' rights to organize and engage in collective bargaining.

Injunction

A legal order issued by a court that compels a party to do or refrain from doing specific acts.