In a queueing system, customers arrive once every 4 seconds (standard deviation =4 ) and services take 3 seconds (standard deviation =5.1). (Do not round intermediate calculations. Round your answer to three decimal places.) What is the average number of customers in the queue? customers Pipes are installed in a process with two sequential resources. A worker in the first resource installs 0.34 pipes per hour and a worker in the second resource installs 0.05 pipes per hour. The first resource has 1 worker and the second resource has 3 workers. Instruction: Round your answer to two decimal places. What is the capacity of this process in terms of pipes per hour? pipes per hour