what is queuing theory 
queuing theory is a branch of mathematics that studies how lines form how they function and why they malfunction queuing theory examines every component of waiting in line including the arrival process and the number of customers among others which might be people data packets cars or anything else real life applications of queuing theory cover a wide range of businesses its findings may be used to provide faster customer service increase traffic flow improve order shipments from a warehouse or design data networks and call centers 