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National Bank (see previous problem: pasted down below) is considering adding a second teller to the lunch-time...

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Statistics

  1. National Bank (see previous problem:pasted down below) is considering adding a second tellerto the lunch-time situation to alleviate congestion. If the secondteller is added, find the following:
    1. The average teller utilization
    2. The probability that there are 0 customers in the system
    3. The average number of customers in line
    4. The average time a customer waits before it seeing theteller
    5. The average time a customer spends in the service system
    6. If the tellers are paid $15/hour, is it worth adding the secondteller (Hint: answer the question by only looking at the singlehour by comparing 1 vs. 2 people)

To help answer the question, here is the \"previousproblem\":

  1. National Bank currently employs a single teller to assistcustomers over their lunch breaks. The typical arrival rate ofcustomers is 11 people per hour where the teller can service peopleat a rate of 12 customers per hour. Assuming the standardassumptions of queuing models are met, find the following:
    1. The utilization of the teller
    2. The probability that there are 0 customers in the system, 8customers in the system.
    3. The average number of customers in line
    4. The average time a customer waits before it seeing theteller
    5. The average time a customer spends in the service system

Answer & Explanation Solved by verified expert
3.7 Ratings (424 Votes)
After adding the second teller now this is the problem of theMultiServer Queuing ModelGiven InformationThe arrival rate of the customer 11 people per hourThe Service rate of the customer    See Answer
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