2 Caf Mccoll 25 Points Busy Lunch Period Caf Mccoll Customers Arrive Rate 240 Customers Ho Q34269485

2. Café McColl (25 points)

During the busy lunch period at Café McColl, customers arrive atthe rate of 240 customers/hour. Studies have indicated that 20% ofthe customers order their lunch from the Grill, and 40% ofcustomers get lunch from the Deli (the remaining 40% just getself-service items). All customers pay for their food at the cashregister. On average, the grill-chef takes 45 seconds to serve acustomer, the deli-chef takes 20 seconds, and the register-clerktakes 12 seconds. (Assume that all service time and interarrivaltimes are distributed exponentially, and that there is one employeeat each of the three stations.)

1. (10 points) What is
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