CloudRack provides web hosting services on their 9 servers. When a person requests a page from one of their hosted websites, the server must find the page and send it to the person's browser. These requests arrive at the rate of 400 per second. The coefficient of variation of the interarrival times is 1 . The processing time for a server is 0.02 second with a coefficient of variation of 1 . (Round your answer to 4 decimal places.) On average, how much time does a request take to be filled (i.e., include time waiting for a server and the actual processing by the server)? seconds