Insurance company records indicate that 12% of all teenage drivers have been ticketed for speeding and 9% for going through a red light. If 4% have been ticketed for both, what is the probability that a teenage driver has been issued a ticket for speeding but not for running a red light?
A) 8%
B) 12%
C) 3%
D) 13%
E) 17%

Question

Quizplus · Accepted Answer

To find the probability of a teenage driver being ticketed for speeding but not for running a red light, we subtract the percentage of those ticketed for both offenses from the percentage of those ticketed for speeding: 12% (speeding) - 4% (both) = 8%.

Insurance Company Records Indicate That 12% of All Teenage Drivers