What is the answer to A, B, and C?

Surrito King (a new fast-food franchise opening up nationwide) has successfuly automated burrito production for its drive-up fast-food stablishments, The Burro-Master 9000 requres a constant 45 seconds to produce a batch of burritos. It has been estimated that customers wil arrive at the difive-up window according to a Poisson distribution at an overage of one every 48 seconds. To help fetermine the amount of space needed for the line at the drivo-up window, answer the following questions. a. What is the average waining line length (in cars)? Note: Do not round intermediate calculations. Round your answer to 2 decimal places. Answer is complete but not entirely correct. \begin{tabular}{|l|r|} \hline Average ine length & 0.000 \\ \hline \end{tabular} b. What is the average number of cars in the system (both in line and at the window)? Note: Do not round intermediate calculations. Round your answer to 2 decimal places. c. What is the expected average time in the system, in minutes? Note: Do not round intermediate calculations, Round your answer to 2 decimal places. Answer is complete but not entirely correct