Lab 7 Due by the end of today's lab. Start with a new (blank) model. This system consists of two types of parts (Type A and Type B) and three workstations. Type A parts arrive according to a Poisson process with a mean rate of 4/hr and are processed through Workstations 1 and 3. Type B parts arrive according to a Poisson process with a mean rate of 6/hr and are processed through Workstations 2 an