A proposed rule requires the installation of guardrails on all traffic bridges in the state of Willericka. However, an engineer argued that because traffic accidents on bridges account for only 2 percent of all traffic accidents in Willericka, guardrails would do little to reduce the number of traffic injuries.
Which of the following, if true, would most seriously weaken the engineer’s argument?
【选项】
Traffic accidents occurring on bridges account cause significantly more injuries than those occurring anywhere else.
选项是否正确？