1. Consider a local bank teller service including both in the hallway and drive through. Identify the high-risk Xs for at least two CTQs using FMEA. List all the necessary assumptions.

2. Continue problem I, develop hypothesis testing about the relationships between the high-risk Xs and the CTQs.

3. Continue to consider the case study of problem If a bank plan to increase 25% of the drive-through service by adding two new drive-through lanes, and at the same time reduce the service in the hallway by 25%. Using the related ISO 9001:2015 clauses to discuss (a) How the management will communicate this change internally and externally.(b) What are the factors of quality management system related to this change. (c) List of the ISO 9001:2015 clauses related to this change.