Students Arrive Randomly at the Help Desk of the Computer

question 103

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 minutes
• B)0.9 minutes
• C)1.5 minutes
• D)7.5 minutes
• E)0.075 hours

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The administration and governance of nonprofit organizations, focusing on achieving their missions efficiently and effectively.

Business Management

The administration of an organization’s resources, operations, and strategies to achieve its objectives and maximize its efficiency and profitability.

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Parties with an interest or concern in a business or project, including investors, employees, customers, and suppliers.

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Business organizations that are intended to operate for profit, distributing earnings to shareholders and focusing on growth and revenue.