A manufacturing plant has workers processing jobs. Each job has a processingTime and an arrivalTime. Workers process one job at a time. When a job arrives, it is assigned to any free worker immediately. If all workers are busy, the job waits until the next available worker becomes free.

A job's wait time equals (time the job finishes) minus (its arrivalTime). The average wait time equals the sum of all wait times divided by the number of jobs. ...