Question: tourists arrive at a security checkpoint at the rate of...
Tourists arrive at a security checkpoint at the rate of 35per hour. The checkpoint has a single machine that scans all tourists wanting to enter the secure area. Tourists are scanned one at a time according to a first-come first-served discipline. A constant 80 seconds are required to scan a tourist.
a. The scanning machine is busy % of the time. (Enter your response rounded to one decimal place.)