Question: Trader Joe's has decided to a new model of registers. On Friday afternoon around 3pm, they decided to have only one register open with the customer service employee able to process one customer every 4 minutes. There are approximately 8 customers checking out per hour.
Plot a graph with utilization of the clerk on the x-axis (use range of 1% - 95% in increments of 5%) and the customer waiting time in line on the y-axis. What is your observation based on this graph? (Hint: Keep the clerk's service rate constant and change the customer arrival rate to calculate the ulitization).
Plot a graph with utilization of the clerk on the x-axis (use range of 1% - 95% in increments of 5%) and the number of customer waiting in line on the y-axis. What is your observation based on this graph? (Hint: Keep the clerk's service rate constant and change the customer arrival rate to calculate the ulitization).