A Bank of 10 Machines Requires Regular Periodic Service

question 12

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 average machine downtime with two operators?

• A) 1.71 minutes
• B) 3.46 minutes
• C) 6.25 minutes
• D) 7.71 minutes
• E) 9.46 minutes

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Definitions:

Cost Reimbursable Contract

A type of contract where the client pays the contractor for all legitimate actual costs incurred for the project plus a fee representing the contractor’s profit.

Quality

The degree to which a product, service, or process meets specified requirements, customer expectations, or industry standards.

Scope Of Work

A detailed document that outlines all of the work to be performed for a project, including tasks, deliverables, timelines, and performance criteria.

Self-Performing Work

Self-performing work involves a company or team directly executing tasks or functions using its own resources and personnel, rather than subcontracting.