A Bank of 10 Machines Requires Regular Periodic Service

question 53

Multiple Choice

A bank of 10 machines requires regular periodic service. Machine running time and service time are both exponential. Machines run for an average of 44 minutes between service requirements, and service time averages six minutes per machine. What is the probability that a machine will have to wait for service with two operators?

• A).654
• B).090
• C).346
• D).910
• E).016

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Definitions:

Office

A room or set of rooms where business, professional, or administrative work is conducted.

Verbal Communication

The use of spoken words to convey messages, instructions, or ideas between individuals.

Presenting Ideas

The act of conveying concepts, plans, or proposals to others in a clear and persuasive manner.

One-On-One

A direct and private meeting between two individuals, typically used for feedback, coaching, or detailed discussions.