ma330f05final_short

# Ma330f05final_short - MA330 Fall 2005 Final Exam 15 December 2005 Name 2 1 You work for a company that makes oce furniture and you are evaluating

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MA330 Fall 2005 Final Exam 15 December 2005 Name:

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2 1. You work for a company that makes oﬃce furniture, and you are evaluating the design and assembly process for some component. The item is made from partical board and is designed to be assembled using 5 screws. (a) You perform a test of the screws by screwing 20 screws into partical board and observing how many of them actually hold. The result of your test is that 16 of the 20 were able to hold, while 4 of the screws stripped out. Estimate the probability that a screw will hold. (b) Your evaluation of the overall component design is that at least 4 of the 5 screws must hold or the component will fail. What probability distribution would you use to determine the probability that the component will fail and provide a short justiFcation for that choice (c) Calculate the probability that the component will not fail. (d) You decide that the reliability is too low and recommend that a sixth screw be added to the design. Under the revised design, it is still the case that only 4 good screws are required to keep
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## This note was uploaded on 11/29/2010 for the course MATH ME 330 taught by Professor Skufca during the Fall '10 term at Clarkson University .

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Ma330f05final_short - MA330 Fall 2005 Final Exam 15 December 2005 Name 2 1 You work for a company that makes oce furniture and you are evaluating

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