Time yourself 2 mins

Laws requiring the use of headlights during daylight hours can prevent automobile collisions. However, since daylight visibility is worse in countries farther from the equator, any such laws would obviously be more effective in preventing collisions in those countries. In fact, the only countries that actually have such laws are farther from the equator than is the continental United States.

Which of the following conclusions could be most properly drawn from the information given above?

(A) Drivers in the continental United States who used their headlights during the day would be just as likely to become involved in a collision as would drivers who did not use their headlights.

(B) In many countries that are farther from the equator than is the continental United States, poor daylight visibility is the single most important factor in automobile collisions.

(C) The proportion of automobile collisions that occur in the daytime is greater in the continental United States than in the countries that have daytime headlight laws.

(D) Fewer automobile collisions probably occur each year in countries that have daytime headlight laws than occur within the continental United States.

(E) Daytime headlight laws would probably do less to prevent automobile collisions in the continental United States than they do in the countries that have the laws.

Laws requiring the use of headlights during daylight hours can prevent automobile collisions. However, since daylight visibility is worse in countries farther from the equator, any such laws would obviously be more effective in preventing collisions in those countries. In fact, the only countries that actually have such laws are farther from the equator than is the continental United States.

Which of the following conclusions could be most properly drawn from the information given above?

(A) Drivers in the continental United States who used their headlights during the day would be just as likely to become involved in a collision as would drivers who did not use their headlights.
---> it doesn't sum up all the premises ---> can't be a conclusion.

(B) In many countries that are farther from the equator than is the continental United States, poor daylight visibility is the single most important factor in automobile collisions.
---> no point in the passage indicates this ---> out.

(C) The proportion of automobile collisions that occur in the daytime is greater in the continental United States than in the countries that have daytime headlight laws.
-----> US is better than farther countries in term of being closer to the equator; however, US is worse than farther countries in term of not having such laws -----> positive side + negative side ----> the result is not necessarily negative ----> C is not applausible ---> out.

(D) Fewer automobile collisions probably occur each year in countries that have daytime headlight laws than occur within the continental United States.
----> Same to C

(E) Daytime headlight laws would probably do less to prevent automobile collisions in the continental United States than they do in the countries that have the laws.

-----> Yeah, the reason why US doesn't have such laws is probably because such laws do less to prevent automobile collisions in US than they do in farther countries. ----> applausible. Note that the use of "would probably" makes E least vulnerable to criticism!

Go for E.

B is a sweeping conclusion. We need more information to come to that conclusion.

E is the possible answer.

this statement makes it clear. "any such laws would obviously be more effective in preventing collisions in those countries"

more effective because, there is more chance of collisions
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The path is long, but self-surrender makes it short;
the way is difficult, but perfect trust makes it easy.

E in 2 mins 5 secs...

Raising the minimum driving age to 18, or even 21, would probably be the most effective way to reduce the number of annual auto accidents in the continental US. This one is a clear (E). <--- I meant E!

* The disclaimer here is continental. Otherwise we would have to consider Alaska, which is dark 24 hours a day three months out of the year.

I will also go for E
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Solus Intendo
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Another vote for E