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80) Assuming a 24 hour operation in a warehouse, and an arrival following Poisson distribution with mean rate of 36 per day and service (unloading using a single bay) following exponential distribution with a rate of 48 trucks per day, answer the following question. What is the expected waiting time in the system (in hours) for a typical truck?A) 2 hoursB) 1 hourC) 1.5 hourD) 0.25 hourE) 0.5 hour

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