Design A:0.920.810.920.81Design B:0.920.810.920.81Which proposed design has the best reliability? Show detailed steps of your solution.

To evaluate which proposed design has the highest dependability, we must assess the overall…

Answered: Design A: 0.92 0.81 0.92 0.81 Design B:…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Th e following system of components has been proposedfor a new product. Determine the reliability of the system.
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In the context of system reliability, explain the difference between Mean Time Between Failures (MTBF) and Mean Time To Recovery (MTTR). How do these metrics impact system design?
What is the reliability of the following parallel pro-duction process? R1 5 0.95, R2 5 0.90, R3 5 0.98.
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Problem 1: Calculate the reliability of the following system: 0.85 0.90 0.95 |- 0.90 0.85 ㅏㅏㅏㅏ 0.90 0.70 0.85 0.85 [ 0.92
2
Rick Wing, salesperson for Wave SolderingSystems, Inc. (WSSI), has provided you with a proposal forimproving the temperature control on your present machine.The machine uses a hot-air knife to cleanly remove excess solder from printed circuit boards; this is a great concept, butthe hot-air temperature control lacks reliability. According toWing, engineers at WSSI have improved the reliability of thecritical temperature controls. The new system still has the foursensitive integrated circuits controlling the temperature, butthe new machine has a backup for each. The four integratedcircuits have reliabilities of .90, .92, .94, and .96. The fourbackup circuits all have a reliability of .90.a) What is the reliability of the new temperature controller?b) If you pay a premium, Wing says he can improve all fourof the backup units to .93. What is the reliability of thisoption?
Examine the systems given below. Which system is morereliable, a or b? c or d? Now calculate the reliability of eachsystem. Were your perceptions correct?If it costs $1000 for each 90% reliable component, $1500for each 93% component, $2000 for each 95% reliablecomponent, and $10,000 to replace a failed system, whichsystem would you choose, a or b? c or d?
The diagram below identifies the elements of service as provided by a soft drink vending machine. Each element has an estimate of its own reliability, independent of the others. What is the reliability of the "system"?
Madhu Ranadive, president of Davisville Toy Company, Inc., in Stratford, Ontario, has just reviewed the design of a new pull-toy locomotive for 1- to 3-year-olds. Madhu’s design and marketing staff are very enthusiastic about the market for the product and the potential of follow-on circus train cars. Madhu’s production people have worked out the manufacturing issues and produced a successful pilot run. However, the quality testing staff suggests that under certain conditions, a hook to attach cars to the locomotive and the crank for the bell can be broken off. This is an issue because children can choke on small parts. In the quality test, 1- to 3-year-olds were unable to break off these parts and there were no failures. But when the test simulated the force of an adult tossing the locomotive into a toy box or a 5-year-old throwing it on the floor, there were failures. The estimate is that one of the two parts can be broken off four times out of 100 000 throws. Neither the design nor…
An LCD projector in an offi ce has a main light bulb witha reliability of 0.90 and a backup bulb, the reliability of which is0.80. Th e system looks as follows: What is the reliability of the system?

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Design A: 0.92 0.81 0.92 0.81 Design B: 0.92 0.81 0.92 0.81 Which proposed design has the best reliability? Show detailed steps of your solution.