Triage is considering creating two separate lines, the first for patients with surnames starting

with a letter in the range A$-$M$,$ the second for N$-$Z$.$ Each line would have a Triage nurse dedicated

to serve only that line of patients. What effect do you think creating these dedicated lines will have

on the average waiting time experienced by patients at Triage? $($i$.$e$.,$ will the waiting time remain

the same, increase or decrease?$)$ You may assume that the average patient arrival rates to each line

would be the roughly the same. Justify your answer