Determining the most profitable process mean for a production process where rejected item is sold at a reduced price or reworked

불합격 제품을 재가공하거나 할인판매하는 생산공정에 대한 공정평균의 경제적 결정

The problem of selecting optimal target values for the mean of the quality characteristic of interest for a production process in which an item is sold in one of two market with different profit / cost structures or reworked. Two profit models are constructed which involve four profit / cost components: profit, production, inspection, and rework costs. Assumed that the quality characteristic of interest is normally distributed, methods of finding the most profitable process mean are presented and a numerical example is given.