3. The following numbers of bends to failure were recorded for 20 paper clips: 11, 29,15,20,19,11,12,9,9,8,13,20,11,22,20,9,25,19,11 and 10 a)Make a nonparametric plot of R(t), the reliability b)Attempt to fit your data to Weibull and/or normal distributions and determine the parameters. Briefly discuss your results 4.A device has a constant failure rate of 0.7/year a) what is the probability that the device will fail during th second year of operations b)if upon faillure the device is immediately replaced, what is the proabbility that there will be more than one failure in 3 years of operation? Of Attached Document "Scan002" 12-7 and of "Scan003" Questions 1 and 2