10 Problem 4S-21 A manager must decide between two machines. The manager will ta

Question

10 Problem 4S-21 A manager must decide between two machines. The manager will take into account each machine's operating costs and initial costs, and its breakdown and repair times Machine A has a projected average operating time of 150 hours and a projected average repair time of 6 hours. Projected times for machine B are an average operating time of 50 hours and a repair time of 5 hours. What are the projected availabilities of each machine? (Round your answers to 3 decimal places.) 25 ints Availability Machine A Machine B 8

Explanation / Answer

Projected Availability = Average operating time / ( Average operating time + Repair time)

Projected Availability of Machine A

= 150 / (150 + 6)

= 0.961

Hence the projected Availability of Machine A is 0.961

Projected Availability of machine B

= 50 / (50 + 5)

= 0.909

Hence the projected Availability of Machine B is 0.909

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