Students Arrive Randomly at the Help Desk of the Computer

question 13

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 utilization factor?

• A) 20%
• B) 30%
• C) 40%
• D) 50%
• E) 60%

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Definitions:

Cones

Photoreceptor cells in the retina of the eye that are responsible for color vision and function best in relatively bright light.

Male Population

Refers to the portion of the population that identifies as male or is assigned male at birth.

Tritanopia

A rare form of color blindness in which there is an inability to distinguish between blue and yellow colors, due to the absence or malfunction of blue cone photoreceptors.

Protanopia

A form of color blindness where there is a deficiency in or absence of red cone photoreceptor cells, leading to difficulties distinguishing red and green hues.