What is "queuing theory" and why would those of us in management care about this? Oddly, we found out in class that there are reasons to care. In the list below select the BEST answer that defines queuing theory? Group of answer choices Queuing is an example of the best use of a Network Model to solve inventory problems Queuing is where managers today combine customer driven systems with evidence-based management It is an operations management technique to assist a company in producing goods & services Walmart and Disney believe that Big Data can solve any problem and queuing is the best example Walmart uses queuing theory to understand the customer experience waiting in line