Study the two cases in bank call center and bank tellers staffing probelms and c

Study the two cases in bank call center and bank tellers staffing probelms and comment on the importance of the waiting line theory 
Why do we care about this theory in business?
Locate (and cite) another similar case study of the application of this theory.  Summarize your source.
What factors can complicate waiting line theory?
If you haven’t recently, please review the Rules of Discussion.