A recent report determined that although only three percent of drivers on Maryland highways equipped their vehicles with radar detectors, thirty-three percent of all vehicles ticketed for exceeding the speed limit were equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not.
The conclusion drawn above depends on which of the following assumptions?
(A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are drivers who do not.
(B) Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed.
(C) The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with radar detectors.
(D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report.
(E) Drivers on Maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report.
关于B和D的讨论我看过,也都明白。我不明白的是OG对于A的解释,
我觉得A错是因为
题干说装了雷达设备更容易被开罚单,但是A却说装了雷达被开罚单的可能性就小了。
我认为这与题干相反,所以错。
但是OG的解释是:
While this statement about being ticketed <may be true>, the conclusion pertains to the recurrent
exceeding of the speed limit, so this statement is not relevant.
为什么会may be true啊?不是很明显against 题目吗?
谢谢!
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