ELEMENTARY SAMPLING THEORY FOR ENGINEERING 63 



so 6 10 15 20 25 30 55 40 45 50 55 60 65 



5 10 15 20 25 50 35 40 45 50 55 60 65 70 75 86 65 90 



X = Defectives in Universe 



iY = 900, w = 200 



CHARTS A 



