Week 10 Homework Problems 1. A finance department wants to calculate the performance of its billing department. They have reviewed 200 outgoing bills and found that 8 of that have some types of defects. Calculate the Sigma Performance of this process using Z Score and comment on the result 2. A pharmaceutical manufacturing manager in charge of producing a life saving drug needs the manufacturing line to perform at 6 Sigma Quality level. If the current batch of 250000 units has 50 rejected units by the QA, does the production line meets the required performance level?