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people who exceed the speed limit

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people who exceed the speed limit

by gmatnmein2010 » Sat Feb 20, 2010 3:11 am
On average, the number of speeding tickets issued in County X every year is three times greater than the number of speeding tickets issued in County Y during the same period. Therefore, the number of people who exceed the speed limit must be higher in County X than in County Y.
Which of the following describes a flaw in the reasoning above?


The argument fails to take into account that the speed limit may be different in the two counties.


The argument fails to take into account that the number of tickets issued in County X may reflect a lower proportion of drivers overall in that county.


The argument fails to take into account that a single driver can receive more than one ticket in a given year.


The argument fails to take into account that residents of County Y may be more law-abiding overall.


The argument fails to take into account that residents of County X may not be aware of the speed limit in that county.
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Source: — Critical Reasoning |
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by fibbonnaci » Sat Feb 20, 2010 4:54 am
where is the 5th option??
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by thephoenix » Sat Feb 20, 2010 5:31 am
fibbonnaci wrote:where is the 5th option??
hey fibb there are 5 choices luks like gmatnmein2010 is in hurry he is not underlining in s/c and now he is not putting a , b , c in front of option......luks like he his running in a race while posting in forum
IMO C for this

conclusion: the number of people who exceed the speed limit in County X must be higher than the number who exceed the speed limit in County Y on the grounds that the number of tickets issued in County X is higher

flaw is the author wrngly assumes that every ticket corresponds to a different individual

only C brings this flaw in light
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by rohan_vus » Sat Feb 20, 2010 6:18 am
thephoenix wrote:
fibbonnaci wrote:where is the 5th option??
hey fibb there are 5 choices luks like gmatnmein2010 is in hurry he is not underlining in s/c and now he is not putting a , b , c in front of option......luks like he his running in a race while posting in forum
Lolz.. :mrgreen: .. i second thephoenix...I am not that regular but still weekly i check out on this forum. Of late i have been seeing huge surge in questions being posted , where many have already been discussed .Some repeat posts are back to back..clearly shows the motives of the posters as being out of sheer contest interest ..

I can certainly feel a big difference over last couple of weeks .

I am not sure , but i wish this whatever race/contest is going on ends sooner than later . Atleast then we can have serious questions and discussions happening . In this mad race ,now you have many Gmat Destroyers getting created within a week :shock:
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by firdaus117 » Sat Feb 20, 2010 6:24 am
IMO Option 3.
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by komal » Sat Feb 20, 2010 9:27 am
gmatnmein2010 wrote:On average, the number of speeding tickets issued in County X every year is three times greater than the number of speeding tickets issued in County Y during the same period. Therefore, the number of people who exceed the speed limit must be higher in County X than in County Y.
Which of the following describes a flaw in the reasoning above?


The argument fails to take into account that the speed limit may be different in the two counties.
Incorrect : Speed limit comparison between two countries is irrelevant.

The argument fails to take into account that the number of tickets issued in County X may reflect a lower proportion of drivers overall in that county.
Incorrect : Proportion of drivers in county X is not an issue here.

The argument fails to take into account that a single driver can receive more than one ticket in a given year.
Correct : Just because 'speeding tickets issued is more' in county X does not mean 'speeding tickets is issued to more people'. This answer choice correctly points out this flaw in the argument.

The argument fails to take into account that residents of County Y may be more law-abiding overall.
Incorrect : Will the issue of law abiding citizen in county Y bring out the flaw in the above passage? No!!! ... Eliminated.

The argument fails to take into account that residents of County X may not be aware of the speed limit in that county.
Incorrect : Speed limit is not the issue here.
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