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Burrito King (a new fast-food franchise opening up nationwide) has successfully automated burrito production for its...

Burrito King (a new fast-food franchise opening up nationwide) has successfully automated burrito production for its drive-up fast-food establishments. The Burro-Master 9000 requires a constant 45 seconds to produce a batch of burritos. It has been estimated that customers will arrive at the drive-up window according to a Poisson distribution at an average of one every 48 seconds. To help determine the amount of space needed for the line at the drive-up window, answer the following questions.

a. What is the average waiting line length (in cars)? (Do not round intermediate calculations. Round your answer to 2 decimal places.)


Average line length             cars


b. What is the average number of cars in the system (both in line and at the window)? (Do not round intermediate calculations. Round your answer to 2 decimal places.)


Average number of cars            


c. What is the expected average time in the system, in minutes? (Do not round intermediate calculations. Round your answer to 2 decimal places.)


Expected average time             minutes

Math   Statistics-And-Probability   
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