Hi please help if possible- I've tried so many ways and I keep getting it wrong :/

Thank you in advance!!!

Check my work 2 Problem 7-16 (Algo) 9 points 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 40 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 65 seconds. To help determine the amount of space needed for the line at the drive-up window, answer the following questions. eBook Hint a. What is the average waiting line length (in cars)? (Do not round intermediate calculations. Round your answer to 2 decimal places.) Print Average line length cars References 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 cars Check my work 2 9 points 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.) eBook Average number of cars cars Hint Print References 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