Vehicles begin to arrive at a parking lot at 6:00
a.m. at a rate of 10 per minute. due to an accident on the access highway, no vehicles arrive from 6:30 to 6:40
a.m. from 6:40
a.m. on, vehicles arrive at a rate of 4 per minute. the parking lot attendant processes incoming vehicles (collects parking fees) at a rate of 5 per minute throughout the day. assuming d/d/1 queuing, determine
a.the average vehicle delay (from 6:00
a.m. until the queue completely dissipates) and
b.the longest delay incurred by a single vehicle in the queue.