How many clerks can be justified on a cost basis?

Are those the same characteristics that would influence you when deciding what to do on Saturday night? Explain
December 24, 2020
How has the advancement of technology impacted market research and reporting practices?
December 24, 2020

During the early morning hours, customers arrive at a branchpost office at an average rate of 45 per hour (Poisson), whileclerks can handle transactions in an average time (exponential) of4 minutes each. (a) Find the average number of customers waitingfor service if 6 clerks are used. (b) Determine the minimum numberof clerks needed to keep the average time in the system to under 5minutes. (c) If clerk cost is $30 per hour and customer waitingtime represents a “cost” of $20 per hour, how many clerks can bejustified on a cost basis? Do not use excel. Explain every step inyour answers in detail.