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# Police statistics have shown that automobile antitheft

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Police statistics have shown that automobile antitheft  [#permalink]

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Updated on: 20 Sep 2017, 02:25
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69% (01:49) correct 31% (02:07) wrong based on 889 sessions

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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.

Source: LSAT

Originally posted by vaivish1723 on 30 May 2009, 23:59.
Last edited by broall on 20 Sep 2017, 02:25, edited 1 time in total.
Reformatted question
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Re: Police statistics have shown that automobile antitheft  [#permalink]

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01 Jun 2009, 08:28
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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  [#permalink]

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19 Oct 2017, 21:24
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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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Re: Police statistics have shown that automobile antitheft  [#permalink]

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01 Jun 2009, 12:52
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  [#permalink]

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03 Jun 2009, 11:03
This is simpler ..

here an alternate cause is shown for the effect..

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

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03 Jun 2009, 14:46
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  [#permalink]

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03 Jun 2009, 22:09
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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Re: Police statistics have shown that automobile antitheft  [#permalink]

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22 Apr 2011, 21:41
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  [#permalink]

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29 Apr 2013, 21:26
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  [#permalink]

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22 Jul 2016, 03:07
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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  [#permalink]

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10 May 2017, 09:16
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  [#permalink]

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27 Jun 2017, 13:03
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  [#permalink]

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28 Jun 2017, 09:15
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  [#permalink]

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06 Aug 2019, 13:16
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.
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Re: Police statistics have shown that automobile antitheft  [#permalink]

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11 Aug 2019, 14:39
Thank you very much for the detailed reply GMATNinja.
Re: Police statistics have shown that automobile antitheft   [#permalink] 11 Aug 2019, 14:39
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