A Bank of Ten Machines Requires Regular Periodic Service

question 10

Multiple Choice

A bank of ten 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 6 minutes per machine. If operators cost $15 per hour in wages and fringe benefits and machine downtime costs $75 per hour in lost production,what is the optimal number of operators for this bank of machines?

• A)1
• B)2
• C)3
• D)4
• E)5

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Definitions:

Onora O'Neill

A philosopher known for her work on Kantian ethics, bioethics, and the philosophy of trust.

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