Suppose that a safety group surveyed 1,200 drivers. Among those surveyed, 68 said that careless or aggressive driving was the biggest threat on the road, and 30 said that cell phone usage by other drivers was the biggest threat. What percentage of the surveyed drivers identified careless or aggressive driving as the biggest threat on the road?
1) 5.67%
2) 7.33%
3) 8.17%
4) 10.67%