ocumer wn the 2 Budomobiles arrive at the driver through Window of a host food restaurant atrak wind every 10 minutes It's takes average of 2 minutes to serve a customer Posson arrival and exp servichire time a) What are the ata arrival and service rate per hour 6) find the average time in minute that must "Find average customer waiting to place ord & Find the average time system in minte se of this , rate & Find the su b (custond