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Many people avoid driving late at night because they believe that

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Many people avoid driving late at night because they believe that  [#permalink]

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New post 17 Jun 2018, 08:51
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Many people avoid driving late at night because they believe that reduced visibility makes it dangerous to drive in the darkness. However, they are clearly unaware that on an average day, approximately three times more accidents occur during 12 to 6 p.m. than during 12 to 6 a.m. It is obvious that driving during the day has far greater chances of leading to an accident than during the night.

Which of the following, if true, most weakens the argument above?

A. The fewer cars on the road during the night leads to lower chance of any individual car getting into an accident.

B. The number of cars on the road between the hours of 12 and 6 a.m. is only 10 percent of the number of cars on the road between the hours of 12 and 6 p.m.

C. Drivers who are drunk at night are eight times more likely to get into an accident than are sober drivers.

D. The blinding glare that is sometimes experienced by drivers at sunrise and sunset is cited as a major contributing factor in automotive accidents.

E. Statistics show that adverse weather conditions, such as rain and snow, show a higher correlation with heightened levels of accidents during night than day.

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Re: Many people avoid driving late at night because they believe that  [#permalink]

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New post 17 Jun 2018, 11:45
IMO B.

Since the number of cars in the night are 10% of that during the day but the number of accidents during night are 33% of that during the day.
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Many people avoid driving late at night because they believe that  [#permalink]

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New post 17 Jun 2018, 13:19
rohan2345 wrote:
Many people avoid driving late at night because they believe that reduced visibility makes it dangerous to drive in the darkness. However, they are clearly unaware that on an average day, approximately three times more accidents occur during 12 to 6 p.m. than during 12 to 6 a.m. It is obvious that driving during the day has far greater chances of leading to an accident than during the night.

Which of the following, if true, most weakens the argument above?

A. The fewer cars on the road during the night leads to lower chance of any individual car getting into an accident.

B. The number of cars on the road between the hours of 12 and 6 a.m. is only 10 percent of the number of cars on the road between the hours of 12 and 6 p.m.

C. Drivers who are drunk at night are eight times more likely to get into an accident than are sober drivers.

D. The blinding glare that is sometimes experienced by drivers at sunrise and sunset is cited as a major contributing factor in automotive accidents.

E. Statistics show that adverse weather conditions, such as rain and snow, show a higher correlation with heightened levels of accidents during night than day.



Ans B

since the %age of total vehicle is less then %age of accident is higher during night time...

Suppose during day time total vehicle=100nos.
then per option B during day time total vehicle=10nos.(10% of 100)

let no of accident during night =3nos
then let no of accident day =9 nos(3 times of night accident)---per option B

So %age of accident
night=33.33%
day=9%

clearly weakens the conclusion
Hence..
B. The number of cars on the road between the hours of 12 and 6 a.m. is only 10 percent of the number of cars on the road between the hours of 12 and 6 p.m.CORRECT
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Re: Many people avoid driving late at night because they believe that  [#permalink]

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New post 22 Jul 2018, 15:54
urvashis09 wrote:
IMO B.

Since the number of cars in the night are 10% of that during the day but the number of accidents during night are 33% of that during the day.


I agree with B being the right answer.
What is the reasoning behind A being the wrong choice . I chose B , because A states "the fewer cars" which is an assumption
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Many people avoid driving late at night because they believe that  [#permalink]

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New post 24 Jul 2018, 23:47
We want to attack the conclusion that: Driving at day = Higher Chances of Accident.

A. The fewer cars on the road during the night leads to lower chance of any individual car getting into an accident. This actually ends up strengthening the argument by saying that the probability of accidents is lower at night.

B. The number of cars on the road between the hours of 12 and 6 a.m. is only 10 percent of the number of cars on the road between the hours of 12 and 6 p.m. This effectively presents a new unstated factor that could be responsible for the high rate of accidents during the day. Hence, it helps quash the causal nature being attributed to "Day" as the root cause of a higher chance of accidents during the day.

C. Drivers who are drunk at night are eight times more likely to get into an accident than are sober drivers. Out of Scope. Generic statement

D. The blinding glare that is sometimes experienced by drivers at sunrise and sunset is cited as a major contributing factor in automotive accidents. Generic statement.

E. Statistics show that adverse weather conditions, such as rain and snow, show a higher correlation with heightened levels of accidents during night than day. Only talks about the night. Does nothing to affect the conclusion at hand.
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Many people avoid driving late at night because they believe that &nbs [#permalink] 24 Jul 2018, 23:47
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