State X spends more money on highway safety and maintenance during the summer months when traffic is heaviest and less during the winter months when traffic is lightest. Therefore, the average number of highway accidents per car should be lower during summer months than during the winter when less money is available for safety and maintenance.
Which of the following, if true, casts the most serious doubt on the conclusion drawn above?
(A) The price of gas rises during the heaviest traffic season.
(B) Traffic congestion significantly increases the likelihood of accidents resulting from road rage or inattention.
(C) Routine road maintenance projects completed during the summer months make roads and highways safer during rain and snow storms year around.
(D) Insurance companies reduce auto insurance premiums if drivers successfully pass safety training courses.
(E) Highway lane lines are repainted every year in state X resulting in safer nighttime driving conditions year around.
OA...E
source-gmatclub.
Which of the following, if true, casts the most serious doubt on the conclusion drawn above?
(A) The price of gas rises during the heaviest traffic season.
(B) Traffic congestion significantly increases the likelihood of accidents resulting from road rage or inattention.
(C) Routine road maintenance projects completed during the summer months make roads and highways safer during rain and snow storms year around.
(D) Insurance companies reduce auto insurance premiums if drivers successfully pass safety training courses.
(E) Highway lane lines are repainted every year in state X resulting in safer nighttime driving conditions year around.
OA...E
source-gmatclub.
