ABS Specializes in Repair and Maintenance of Industrial Machines

question 42

Multiple Choice

ABS specializes in repair and maintenance of industrial machines.One repair technician has been assigned to five identical grinding machines for repair and maintenance.The machine breaks down after about 20 hours of use,and breakdowns have a Poisson probability distribution.It takes 6 hours to repair a machine,and repair times follow an exponential distribution.Machine downtime costs the company $250 an hour,and the technician is paid $50 an hour.Determine the average number of machines that will break down.

• A)1.41
• B)2.13
• C)1.57
• D)2.46

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Definitions:

Fixed Costs

Expenses that do not change regardless of the level of production or sales activities, such as rent or salaries.

Birthday Cakes

Specifically designed cakes consumed as part of a celebration of an individual's birthday, often decorated and personalized according to preferences.

Marginal Cost

The augmentation in complete financial commitment resulting from the manufacture of one more unit of a good or service.

Fixed Costs

Costs that remain constant regardless of production or sales volume, including rent, salaries, and insurance fees.