Question: QUESTION 12 1 points Save Anu Suppose that a coffee shop wants the average time of a customer waiting in line is 8 minutes. It

QUESTION 12 1 points Save Anu Suppose that a coffee shop wants the average time of a customer waiting in line is 8 minutes. It is known that customers arrive every 5 minutes an average. The probability distributions that describe arrival and service times are unknown. What is the average length of the waiting line? QUESTION 10 In a bank, customers arrival during lunch hours follows a Poisson arrival pattern and the arrival rate is 12 per hour. All customers join a single line and wait for the next available teller. The service time follows an exponential distribution with an average of 10 minutes. The bank managers want to keep the average time of customers waiting in line smaller than 5 minutes. What is the minimum number of tellers to work during lunch hours

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