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# Police statistics have shown that automobile antitheft devices reduce

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Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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Updated on: 21 Jan 2020, 08:36
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Police statistics have shown that automobile antitheft devices reduce the risk of car theft, but a statistical study of automobile theft by the automobile insurance industry claims that cars equipped with antitheft devices are, paradoxically, more likely to be stolen than cars that are not so equipped.

Which one of the following, if true, does the most to resolve the apparent paradox?

(A) Owners of stolen cars almost invariably report the theft immediately to the police but tend to delay notifying their insurance company, in the hope that the vehicle will be recovered.

(B) Most cars that are stolen are not equipped with antitheft devices, and most cars that are equipped with antitheft devices are not stolen.

(C) The most common automobile antitheft devices are audible alarms, which typically produce ten false alarms for every actual attempted theft.

(D) Automobile owners who have particularly theft-prone cars and live in areas of greatest incidence of car theft are those who are most likely to have antitheft devices installed.

(E) Most automobile thefts are the work of professional thieves against whose efforts antitheft devices offer scant protection.

Originally posted by vaivish1723 on 30 May 2009, 22:59.
Last edited by Bunuel on 21 Jan 2020, 08:36, edited 2 times in total.
Renamed the topic and edited the question.
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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01 Jun 2009, 07:28
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hi vaivish,

In "Resolve the apparent paradox" questions, we need to choose an answer that doesn't violate the fact set given in the stimulus.

Statistics $$\Rightarrow$$ Antitheft Devices Reduce risk of car theft.
Insurance $$\Rightarrow$$ Cars w/antitheft more likely to be stolen.

A) Owners of stolen cars almost invariably report the theft immediately to the police but tend to delay notifying their insurance company, in the hope that the vehicle will be recovered. - This doesn't resolve the given paradox.
(B) Most cars that are stolen are not equipped with antitheft devices, and most cars that are equipped with antitheft devices are not stolen. This supports what Police statistics have shown, but not what Insurance industry claims. Its one-sided.
(C) The most common automobile antitheft devices are audible alarms, which typically produce ten false alarms for every actual attempted theft.Irrelevant.
(D) Automobile owners who have particularly theft-prone cars and live in areas of greatest incidence of car theft are those who are most likely to have antitheft devices installed. This offers the right explanation without violating Insurance Industry's claims as well as Police statistics.
(E) Most automobile thefts are the work of professional thieves against whose efforts antitheft devices offer scant protection. If professionals are doing most of the thefts, why only cars with antitheft devices? Cars without antitheft devices should be stolen in equal, if not more, quantity.
##### General Discussion
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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01 Jun 2009, 11:52
vaivish1723 wrote:
a statistical study of automobile theft by the automobile insurance industry claims that cars equipped with antitheft devices are more likely to be stolen than cars that are not so equipped.

BECAUSE

vaivish1723 wrote:
(D) Automobile owners who have particularly theft-prone cars and live in areas of greatest incidence of car theft are those who are most likely to have antitheft devices installed.

D posses a plausible exlanation to the paradox that even if the car is equipped with the antitheft device it is more likely to be theft.
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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03 Jun 2009, 10:03
This is simpler ..

here an alternate cause is shown for the effect..

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03 Jun 2009, 13:46
But D doesn't say more number of cars with anti-theft device in theft prone will lead to the greater theft of these cars.
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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03 Jun 2009, 21:09
mjGMAT wrote:

D. The arguement says that "cars equipped with antitheft devices are, more likely to be stolen", because cars with antitheft devices particularly are theft-prone cars and live in areas of greatest incidence of car theft. These situations (mentioned in D) clearly explains the reason for such cars being more likely to be stolen.

No where author has reported greater theft of these cars. "More Likely" may mean that burglars are trying their hands more on "these cars", but are these burglars successful ? we don't know.
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22 Apr 2011, 20:41
it has to be d

a.irrelevat
b.opposite
c.irrelevat
d.correct
e.does not help solve the paradox
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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29 Apr 2013, 20:26
vaivish1723 wrote:
Police statistics have shown that automobile antitheft devices reduce the risk of car theft, but a statistical study of automobile theft by the automobile insurance industry claims that cars equipped with antitheft devices are, paradoxically, more likely to be stolen than cars that are not so equipped.

Which one of the following, if true, does the most to resolve the apparent paradox?

(A) Owners of stolen cars almost invariably report the theft immediately to the police but tend to delay notifying their insurance company, in the hope that the vehicle will be recovered.
(B) Most cars that are stolen are not equipped with antitheft devices, and most cars that are equipped with antitheft devices are not stolen.
(C) The most common automobile antitheft devices are audible alarms, which typically produce ten false alarms for every actual attempted theft.
(D) Automobile owners who have particularly theft-prone cars and live in areas of greatest incidence of car theft are those who are most likely to have antitheft devices installed.
(E) Most automobile thefts are the work of professional thieves against whose efforts antitheft devices offer scant protection.

many car owners who take insurance might likely live in areas prone to theft, and those who are not in such areas wouldn't have necessity of insurance, hence this can justify both the claims so the option is D
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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21 Jul 2016, 19:06
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This question still confuses me. I understand that D explains why the insurance industry claims cars equipped with anti-theft devices report more stolen vehicles, but it doesn't explain why police stats show that it reduces car theft. Shouldn't a resolve the paradox question explain both sides? Answer D only seems to explain one.
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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22 Jul 2016, 02:07
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This question still confuses me. I understand that D explains why the insurance industry claims cars equipped with anti-theft devices report more stolen vehicles, but it doesn't explain why police stats show that it reduces car theft. Shouldn't a resolve the paradox question explain both sides? Answer D only seems to explain one.

In this question we have two facts:
1. police report lowering of stealing
2. insurance companies report more stealing

We don't need to explain both facts because they are already true.
We just need to explain how this is possible that both controversial facts are true.

Answer D connects these two facts. Let's make an example:

we have a bad district which has 1000 cars with the anti-theft device. 500 cars were stolen per year
we have a good district which has 1000 cars without the anti-theft device. 100 cars were stolen per year

The insurance company doesn't take into account the bad/good situation in districts and make the inference that anti-theft device promote a stealing of the car.
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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10 May 2017, 08:16
Automobile owners who have particularly theft-prone cars and live in areas of greatest incidence of car theft are those who are most likely to have antitheft devices installed

Hence D
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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27 Jun 2017, 12:03
A can be a right answer if some parts are modified.
D can be a wrong answer if one or two important words are missed out.
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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28 Jun 2017, 08:15
imo D
Police statistics have shown that automobile antitheft devices reduce the risk of car theft, but a statistical study of automobile theft by the automobile insurance industry claims that cars equipped with antitheft devices are, paradoxically, more likely to be stolen than cars that are not so equipped.

Which one of the following, if true, does the most to resolve the apparent paradox?

(A) Owners of stolen cars almost invariably report the theft immediately to the police but tend to delay notifying their insurance company, in the hope that the vehicle will be recovered. Does not affect the argument .
(B) Most cars that are stolen are not equipped with antitheft devices, and most cars that are equipped with antitheft devices are not stolen. Does not affect the argument
(C) The most common automobile antitheft devices are audible alarms, which typically produce ten false alarms for every actual attempted theft. Does not affect the argument
(D) Automobile owners who have particularly theft-prone cars and live in areas of greatest incidence of car theft are those who are most likely to have antitheft devices installed. Correct
(E) Most automobile thefts are the work of professional thieves against whose efforts anti theft devices offer scant protection. Does not affect the argument

The correct answer D has given us a reason why cars installed with anti-theft system are stolen more , the area they are living in is more prone for thievery of cars and most of the car owners have anti -theft devices on their car .Why would an owner risk his car without anti theft device in such an area.
Hope i am correct .
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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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09 Oct 2017, 08:11
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Dear Expert

Choice D clearly justifies the claim made by the insurance companies, but how does this choice address the findings produced by the police ....?

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Re: Police statistics have shown that automobile antitheft devices reduce  [#permalink]

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19 Oct 2017, 20:24
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gmatcracker2017 wrote:
Dear Expert

Choice D clearly justifies the claim made by the insurance companies, but how does this choice address the findings produced by the police ....?

We need an answer choice that "resolves the apparent paradox." The apparent paradox that we have to explain is that cars equipped with anti-theft devices are more likely to be stolen than cars that are not so equipped. In other words, one would think that cars equipped with anti-theft devices would be LESS likely to be stolen than cars without anti-theft devices. Why is this not the case?

Quote:
(D) Automobile owners who have particularly theft-prone cars and live in areas of greatest incidence of car theft are those who are most likely to have antitheft devices installed.

Choice (D) explains the paradox by suggesting that cars with anti-theft devices would be even MORE prone to theft without the devices. In other words, even though cars with the devices get stolen a lot, those cars would get stolen at a higher rate without the devices. So the devices DO in fact reduce the risk of car theft, as shown by the police statistics. However, despite this reduction, those cars are still more likely to be stolen than cars without such devices.

Choice (D) explains both the insurance industry claims and the police statistics.

I hope that helps!
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RC, CR, and other articles & resources: All GMAT Ninja articles on GMAT Club | Using LSAT for GMAT CR & RC |7 reasons why your actual GMAT scores don't match your practice test scores | How to get 4 additional "fake" GMAT Prep tests for $29.99 | Time management on verbal SC & CR Questions of the Day (QOTDs), featuring expert explanations: All QOTDs | Subscribe via email | RSS Need an expert reply? Hit the request verbal experts' reply button; be specific about your question, and tag @GMATNinja. Priority is always given to official GMAT questions. Manager Joined: 29 May 2016 Posts: 111 Location: Czech Republic Concentration: Finance, Strategy GMAT 1: 700 Q47 V38 GPA: 3.94 WE: Corporate Finance (Investment Banking) Re: Police statistics have shown that automobile antitheft devices reduce [#permalink] ### Show Tags 06 Aug 2019, 12:16 GMATNinja Could I possibly ask you for the reason why B doesn't work? Even though B supports only the police view in D we need to make the assumption that automobiles with antitheft devices are in general at reduced risk of car theft. GMAT Club Verbal Expert Status: GMAT and GRE tutors Joined: 13 Aug 2009 Posts: 3162 Location: United States (CO) GMAT 1: 780 Q51 V46 GMAT 2: 800 Q51 V51 GRE 1: Q170 V170 GRE 2: Q170 V170 Re: Police statistics have shown that automobile antitheft devices reduce [#permalink] ### Show Tags 11 Aug 2019, 12:41 1 Xin Cho wrote: GMATNinja Could I possibly ask you for the reason why B doesn't work? Even though B supports only the police view in D we need to make the assumption that automobiles with antitheft devices are in general at reduced risk of car theft. To answer a "resolve the paradox" question, you need an answer choice that addresses BOTH sides of the issue. If (B) only supports one side, then it really doesn't resolve the paradox at all. We are still left wondering how the insurance industry's claim could be true-- how can vehicles with anti-theft devices be MORE likely to be stolen than other cars? We are looking for an answer choice that explains how both the police statistics and the insurance companies' claim could be true at the same time. Because (B) doesn't perform this role, it does not explain the paradox and is not the correct answer choice. (D), on the other hand, does provide an explanation for both sides of the paradox. The insurance companies' claim could be true, because theft-prone cars in risky areas are more likely to be stolen. If these are the cars with anti-theft devices installed, then it explains why they are stolen more frequently than other cars. At the same time, the police statistics could be true -- installing anti-theft devices could reduce the overall rate of car theft, even if cars with the antitheft devices are stolen more frequently. Note: we do not need to assume that anti-theft devices reduce the risk of car theft, because this information is given to us in the passage. (D) provides additional information that explains how this is possible, given the surprising finding of the study conducted by the insurance industry. Here is an example to illustrate how (D) resolves the paradox: Car thefts BEFORE installing antitheft devices: Less risky location: 100 More risky location: 1000 Total: 1100 Car thefts AFTER installing antitheft devices: Less risky location (no antitheft devices installed): 100 More risky location (lots of antitheft devices installed): 500 Total: 600 Here, we see that the overall number of car thefts has been reduced by installing antitheft devices. However, we can also see that theft-prone cars with antitheft devices could be more likely to be stolen, because they are located in a risky area. (D) is the correct answer. I hope that helps! _________________ GMAT/GRE tutors @ www.gmatninja.com (we're hiring!) | GMAT Club Verbal Expert | Instagram | Blog | Bad at PMs Beginners' guides to GMAT verbal: RC | CR | SC YouTube LIVE verbal webinars: all videos by topic SC articles & resources: How to go from great (760) to incredible (780) on GMAT SC | That "-ing" Word Probably Isn't a Verb | That "-ed" Word Might Not Be a Verb, Either | No-BS Guide to GMAT Idioms | "Being" is not the enemy | WTF is "that" doing in my sentence? RC, CR, and other articles & resources: All GMAT Ninja articles on GMAT Club | Using LSAT for GMAT CR & RC |7 reasons why your actual GMAT scores don't match your practice test scores | How to get 4 additional "fake" GMAT Prep tests for$29.99 | Time management on verbal

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Re: Police statistics have shown that automobile antitheft devices reduce   [#permalink] 11 Aug 2019, 12:41
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