Editorial: The city has chosen a contractor to upgrade the heating systems in public buildings. ████ ██ ███████ ██ ███ ███████████ ████████ ██ ████ ██████████ ███ █████████ ██ ███ ███████ ███████████ ████████████ ██ ███ ████ ████████ █ ██████████ ██ ███████ ██ █████ ███████████ ███ ████████████ █████ ██ ██ ████████
The author concludes that the city selected a contractor with 60% of its technicians who are unqualified.
What makes the author believe this?
Because 60% of the contractor’s technicians are not certified by the Heating Technicians Association.
The author assumes that if a technician is not certified by the association, then they are not qualified. In other words, the author assumes that in order to be qualified, they must be certified.
Which one of the following ██ ██ ██████████ ████████ ██ ███ ████████ ██ ███ ██████████
Certified technicians receive ██████ ███ ████ ███████████ ████████████
There are no ███████████ ████ █████ ████ ██ ███████ ██ █████ ███████████ ██████████
Technicians who lack █████████████ ███ ███ █████████ ████████████
Qualified technicians installed ███ ███████ ███████ ██ ██ █████████
The contractor hired ██ ███ ████ ███ ████████ ████ ██ ████ ██████████