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S92-05

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S92-05 [#permalink]

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New post 16 Sep 2014, 00:46
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Since the inception of Project Safe Neighborhoods five years ago, which seeks to reduce armed robberies by convincing people to sell their guns to the municipal government, the number of armed robberies has decreased by ten percent nationwide. Simultaneously, there has been a decrease in the number of reports in which convicted criminals are found to be in possession of guns. It is clear that Project Safe Neighborhoods has convinced many individuals not to own guns and thus not to commit armed robberies.

Which of the following, if true, most seriously weakens the conclusion drawn above?


A. Over the course of the last ten years, the number of individuals who commit gun crimes but evade arrest has not increased.
B. The number of guns sold to the government in Project Safe Neighborhoods has been consistent throughout the five years that the program has been in existence.
C. Gun shop owners have reported a decline in patrons seeking to buy guns for legitimate purposes since the inception of the project.
D. Surveys suggest that the majority of people have not been impacted by gun crimes either before or after the inception of the Project Safe Neighborhoods program.
E. Five years ago, a law passed which restricts gun shop owners from selling guns to patrons without a one week waiting period and a background check.
[Reveal] Spoiler: OA

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Re S92-05 [#permalink]

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New post 16 Sep 2014, 00:46
Official Solution:


Since the inception of Project Safe Neighborhoods five years ago, which seeks to reduce armed robberies by convincing people to sell their guns to the municipal government, the number of armed robberies has decreased by ten percent nationwide. Simultaneously, there has been a decrease in the number of reports in which convicted criminals are found to be in possession of guns. It is clear that Project Safe Neighborhoods has convinced many individuals not to own guns and thus not to commit armed robberies.

Which of the following, if true, most seriously weakens the conclusion drawn above?


A. Over the course of the last ten years, the number of individuals who commit gun crimes but evade arrest has not increased.
B. The number of guns sold to the government in Project Safe Neighborhoods has been consistent throughout the five years that the program has been in existence.
C. Gun shop owners have reported a decline in patrons seeking to buy guns for legitimate purposes since the inception of the project.
D. Surveys suggest that the majority of people have not been impacted by gun crimes either before or after the inception of the Project Safe Neighborhoods program.
E. Five years ago, a law passed which restricts gun shop owners from selling guns to patrons without a one week waiting period and a background check.


We're told that since Project Safe Neighborhoods began, the number of gun crimes has decreased. The passage concludes that Project Safe Neighborhoods is responsible for this decrease.

We need to undermine the argument that Project Safe Neighborhoods caused people to commit fewer gun crimes.

Choice E tells us that there was a law passed five years ago (when the Project Safe Neighborhoods program was started, according to the passage) that made it more difficult to buy guns. This provides an alternative reason for the decrease in armed robberies and gun possession, and thus casts doubt on the conclusion. Choice E is correct.

Choice A states that over the course of the last ten years, the number of people who commit gun crimes and get away with them has not increased; this group, comprised of people who have committed gun crimes but have not been caught, may or may not have been affected by Project Safe Neighborhoods, and the amount of gun crimes committed by this group has not increased- the argument is not weakened.

Choice B says that the number of guns sold to the government has been consistent for the last five years. This does not tell us whether this consistent number was low or high; if we knew that it was low, then this choice would be a valid weakener. In its current state, it does not cast any doubt on the conclusion.

Choice C states that gun shop owners have seen a decline in customers looking to buy guns for legitimate reasons since the project began. This decline could have occurred for several reasons and is irrelevant to the conclusion.

Choice D states that surveys show that the majority of people are not affected by gun crimes. This is irrelevant to the conclusion, which seeks to connect the inception of the program to the decrease in gun crimes that we know to have occurred. The majority of people are not at issue here, and this is an irrelevant comparison.


Answer: E
_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
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Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
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Re: S92-05 [#permalink]

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New post 26 Nov 2017, 08:44
How is D irrelevant to argument?

If the majority of people have not been impacted by gun crimes either before or after the inception of the Project Safe Neighborhoods program, then the project is redundant. Isn't it?

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Re: S92-05   [#permalink] 26 Nov 2017, 08:44
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