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math_507_final_exam_s1_14_41_corr_0.pdf - Final Exam, S1...

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1ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــAnswer the following questions:Q1: [7]Consider the following system configuration diagram where each componenti, i=1,2,3,4follows the exponential distribution and the mean time to failure for eachcomponent is1Compute the reliability and the MTTF for this system. Also,determine them if the system components are identical..iQ2: [3+3]Suppose that a series of experiments have shown that the current gains of certaintransistors (which are proportional to the logarithm ofiI /I ,the ratio of the outputto the input current) are normally distributed. If current gain is measured in unitsfor which it equals ini(I /I ),and if it is normally distributed with2and0.01,then find each of the following:a)iIpr(6.18.2)Ib) The mean and the standard deviation of this distribution.oo2o

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Term
Fall
Professor
NoProfessor
Tags
Normal Distribution, Exponential distribution, Failure rate, Weibull distribution, MTTF

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