Reference no: EM13202919

Each truck in a fleet of 30 delivery trucks will return to a warehouse for reloading at an average interval of 150 minutes.An average of 30 minutes is required by the driver and one warehouse person to load the next shipment. If warehouse personnel are busy loading previous arrivals the driver must wait in the line.Both the time between arrivals and the loading time are distributed exponentially. The cost of waiting in the system is $48 per hour per truck and the total cost per warehouse person is $40 per hour.

Find the minimum cost number of the warehouse people to employ?