A study on equilibrium of the amount of requisite materials and purchasing materials considering the fraction defective of the lot

로트불량율을 고려한 자재소요량과 자재구입량의 균형화 연구

In this paper we study the decision rule for the amount of purchasing materials according to the fraction defective in the single sampling inspection by attributes based on operating characteristics. In deciding the amount of purchasing materials, it is important that we ought to occupy the practical purchasing amount, considering the fraction defective of the lot in acceptance inspection, because the acceptance probability is variant with the fraction defective of the lot.