Question: QUESTION 4 The average time in the cafeteria queue is: a 1 minute Ob. 2 minutes oc 3 minutes d. 4 minutes e 5 minutes

QUESTION 4 The average time in the cafeteria queue is: a 1 minute Ob. 2 minutes oc 3 minutes d. 4 minutes e 5 minutes QUESTIONS The probability of the cafeteria system being idle is: a. 10 % 5.13% 0.23% 0.33% 1.67% QUESTION 6 The probability of excatly 3 customers in the system is: 2.8% Ob. 10% Oc 12% O d. 15 O e 17% Click Save and submit to one and submit Chick Save All Answers to save all answers. BE DELL Information for the next 6 questions: Customers join a cafeteria line at an average rate of 40/hour, poisson distributed. Service is provided by a single line on a FCFS basis according to an exponential distribution with an average rate of 60 customers/hour. Assume that the population and queue length are infinite. 1) The system percentage-utilization is: 1.33 6.40% O c. 50 % 4.67% e 83 % QUESTION 2 The average number of customers in the cafeteria system is: 0.1 0.2 0.3 0.4 0.5 QUESTION 3 The average time in the cafeteria system is: Oa 1 minute O b. 2 minutes 3 minutes d. 4 minutes Oe5 minutes QUESTION 4

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