CPU-on-Demand (CPUD) offers real-time high-performance computing services. CPUD owns 1 supercomputer that can be accessed through the Internet. Their customers send jobs that arrive, on average, every 6 hours. The standard deviation of the interarrival times is 6 hours. Executing each job takes, on average, 4 hours on the supercomputer and the standard deviation of the processing time is 4.0 hours.

Camile owns Crunch Code, a company that provides quick programming solutions. Clients send Crunch projects via their web page and Crunch bangs out the needed code as quickly as possible. Camile has five programmers who do all of the coding. On average, a project arrives once every 4.3 hours, with a standard deviation of 5.8 hours. Each project is assigned to one programmer and that programmer takes on average 19.0 hours to complete each project with a standard deviation of 19.0 hours.