Question: C&As potato chip filling process has a lower specification limit of 10.5 oz. and an upper specification limit of 11.5 oz. The standard deviation is

C&As potato chip filling process has a lower specification limit of 10.5 oz. and an upper specification limit of 11.5 oz. The standard deviation is 0.15 oz. and the mean is 11 oz. What is the process capability index for the chip filling process?

A. 1.11

B. 0.56

C. 3.33

D. 1.77

Consider an Erlang loss system. The average processing time is 6 minutes. The average interarrival time is 3 minutes. The number of servers is 9. What is the capacity of the system?

A. 1.1 customers per minute

B. 2.4 customers per minute

C. 0.8 customers per minute

D. 1.5 customers per minute

Consider two Erlang loss systems. System A has an interarrival time of 30 minutes. System B has an interarrival time of 15 minutes. What is the interarrival time of the combined system if the demand of the combined system is the sum of the demands of the separate systems?

A. 0.32 minute

B. 0.16 minute

C. 6 minutes

D. 10 minutes

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