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# A recent report determined that although only 3 percent of drivers on

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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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29 Mar 2006, 19:52
Im going with A.

The conlcusion to the argument is

"drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not."

This relies on the inference that radar detectors would decrease your chances of being caught for speeding.

A. Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are drivers who do not.

whats the OA ?
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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23 May 2006, 08:45
A recent report determined that although only three percent of drivers on Maryland highways equipped their vehicles with radar detectors, thirty-three percent of all vehicles ticketed for exceeding the speed limit were equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than
are drivers who do not.

The conclusion drawn above depends on which of the following assumptions?

(A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for
exceeding the speed limit than are drivers who do not.
(B) Drivers who are ticketed for exceeding the speed limit are more likely to exceed the
speed limit regularly than are drivers who are not ticketed.
(C) The number of vehicles that were ticketed for exceeding the speed limit was greater
than the number of vehicles that were equipped with radar detectors.
(D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed
more than once in the time period covered by the report.
(E) Drivers on Maryland highways exceeded the speed limit more often than did drivers on
other state highways not covered in the report.

You might be familar with this question, but I got a wrong answer on this..

Anybody, some help, pls?~

I will put the OA after seeing some discussion over the answers... Thanks in advance.
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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23 May 2006, 09:26
1
This post was
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I also got confuse with this. But this is what I have reasoned.

Suppose there are a total of 100 vehicles.
Only 3 had radars. But 33 were caught. so that means it was these people who got caught more than once.

But the author assumes that it will be these same people who will get caught in future also.

As for other choices, they can be eliminated.

(A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for - this goes against
exceeding the speed limit than are drivers who do not.
(C) The number of vehicles that were ticketed for exceeding the speed limit was greater - this does not matter.
than the number of vehicles that were equipped with radar detectors.
(D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report. - obvious. nothing to assume
(E) Drivers on Maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report.
- out of scope. Why should other drivers come into picture
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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23 May 2006, 09:36
I would go with D

(A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are drivers who do not. [i]-->Likelyhood of ticketing is not discussed[/i]

(B) Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed[i].--If true the conclusion would mean that both types (w and w/o radars) were more likely to exceed the speed limit.[/i]

(C) The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with radar detectors. [i]--Number of vehicles is out of scope[/i]

(D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report. --
[i]"Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than.." To make this claim they would have been ticketed more than once[/i]

(E) Drivers on Maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report. [i]--Out of scope[/i]
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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23 May 2006, 09:58
OK, with an assumption type problem we are looking for an answer that the conclusion would fall apart without.

The conclusion is: "drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not."

Which answers support this conclusion directly?

(B) - yes, supports.
(C) - no, weakens.
(D) - no, it's a true statement but does not give any support to the conclusion.
(E) - no, other states are irrelevant.

I'll go with B. Even though B is seemingly obvious, without B the conclusion is weakened. The other answers don't add to or support the conclusion.

--Matt
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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23 May 2006, 10:41
remgeo wrote:
I also got confuse with this. But this is what I have reasoned.

Suppose there are a total of 100 vehicles.
Only 3 had radars. But 33 were caught. so that means it was these people who got caught more than once.

But the author assumes that it will be these same people who will get caught in future also.

As for other choices, they can be eliminated.

(A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for - this goes against
exceeding the speed limit than are drivers who do not.
(C) The number of vehicles that were ticketed for exceeding the speed limit was greater - this does not matter.
than the number of vehicles that were equipped with radar detectors.
(D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report. - obvious. nothing to assume
(E) Drivers on Maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report.
- out of scope. Why should other drivers come into picture

Let me throw a spanner in the works. What about the case when only 3 people are caught speeding? This means only 1 person with the radar was caught, and obviously he wasn't caaught twice. Same is true forthe case when 6 drivers were caught speeding. Hope you et the drift - the question is "33% of all the drivers caught" and not "33% of the population or all the cars".

Last edited by alfa_beta01 on 23 May 2006, 10:47, edited 1 time in total.
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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23 May 2006, 10:46
I vote "B".

"B" states that "Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed."

And the concluson is: "Drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than
are drivers who do not."

Thus, the author assumes that the people who are caught (the ones with detector), are more likely to speed.
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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24 May 2006, 21:54
B is the right answer. Got stuck with A but re-read it again twice and it made sense.
Only 3% of the cars have radar detectors, but 33% of violators were equiped with radar.
How is this possible? Only if we assume that cars with radars will regularly exceed the speed limit and get caught
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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04 Jun 2006, 10:12
A recent report determined that although only 3 percent of drivers on Maryland highways equipped their vehicles with radar detectors, 33 percent of all vehicles ticketed for exceeding the speed limit were equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not.

The conclusion drawn above depends on which of the following assumptions ?

A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are drives who do not.

B) Drivers who are ticketed for exceeding speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed.

C) The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with radar detectors.

D) Manyof the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report.

E) Drivers on maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in this report.
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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05 Jun 2006, 04:11
Will go with B.

The author argues that only 3% of vehicles are equipped with radar detectors but the number of radar detector vehicles caught is 33%. Hence the people with cars equipped with radar detectors must be repeat offenders
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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25 Jun 2006, 07:33
A recent report determined that although only three percent of drivers on Maryland highways equipped their vehicles with radar detectors, thirty-three percent of all vehicles ticketed for exceeding the speed limit were equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not.
The conclusion drawn above depends on which of the following assumptions?
(A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are drivers who do not.
(B) Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed.
(C) The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with radar detectors.
(D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report.
(E) Drivers on Maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report.
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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25 Jun 2006, 07:46
A it is
Those equipped drivers are less likely to be ticketed but there still a great percentage of ticketed drivers are equipped ones. So we can say "drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not".
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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20 Aug 2006, 07:10
A recent report determined that although only three percent of drivers on Maryland highways equipped their vehicles with radar detectors, thirty-three percent of all vehicles ticketed for exceeding the speed limit were equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not.

The conclusion drawn above depends on which of the following assumptions?

(A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are drivers who do not.
(B) Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed.
(C) The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with radar detectors.
(D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report.
(E) Drivers on Maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report.
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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20 Aug 2006, 07:29
Use process of elimination:

(B) (D) provides no clue on the relation between vehicles ticketed and those with radar
(E) other state - out of scope

Thus choose (C)
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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01 Jan 2007, 22:13
Any answer to Pauline's question ...?

Quote:
I POEd everything except B and D. How to refute D, can anyone explain, please?

I can see Pauline's question but to me B and D mean the same.

Both statements assume that ticket are given to "a few" regularly or more than once...
why is B better than D?
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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29 May 2007, 23:03
Hi guys.. the following question is Q-171, OG-10. I'm including the text here for discussion. Please explain your answer choices, if you can.

A recent report determined that although only 3 percent of drivers on maryland highways equipped their vehicles with radar detectors, 33 percent of all vehicles ticketed for exceeding the speed limit were equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not.

The conclusion drawn abaove depends on which of the following assumptions?

A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are the drivers who do not.

B) Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed.

C) The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with radar detectors.

D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report.

E) Drivers on maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report.
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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30 May 2007, 06:20
shoonya wrote:
Hi guys.. the following question is Q-171, OG-10. I'm including the text here for discussion. Please explain your answer choices, if you can.

A recent report determined that although only 3 percent of drivers on maryland highways equipped their vehicles with radar detectors, 33 percent of all vehicles ticketed for exceeding the speed limit were equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed the speed limit regularly than are drivers who do not.

The conclusion drawn abaove depends on which of the following assumptions?

A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed limit than are the drivers who do not.

B) Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly than are drivers who are not ticketed.

C) The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of vehicles that were equipped with radar detectors.

D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the time period covered by the report.

E) Drivers on maryland highways exceeded the speed limit more often than did drivers on other state highways not covered in the report.

I go for B as well. Clears gap between sentence 1 and sentence 2.

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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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30 May 2007, 09:58
Argument's conclusion - drivers who have radar detectors are likely to exceed the speed limit regularly.
Support of the conclusion
- 33 percent of all vehicles ticketed for exceeding the speed limit had radar detectors.
Assumption- Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly.
This assumption cnnects conclusion to its supporting statement.
So the answer should be B.
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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01 Jul 2007, 09:36
Can Someone explain why the other answers are incorrect?
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Re: A recent report determined that although only 3 percent of drivers on [#permalink]

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13 Jan 2008, 11:59
171. A recent report determined that although only three percent of drivers on Maryland highways equipped their
vehicles with radar detectors, thirty-three percent of all vehicles ticketed for exceeding the speed limit were
equipped with them. Clearly, drivers who equip their vehicles with radar detectors are more likely to exceed
the speed limit regularly than are drivers who do not.

The conclusion drawn above depends on which of the following assumptions?
(A) Drivers who equip their vehicles with radar detectors are less likely to be ticketed for exceeding the speed
limit than are drivers who do not.
(B) Drivers who are ticketed for exceeding the speed limit are more likely to exceed the speed limit regularly
than are drivers who are not ticketed.
(C) The number of vehicles that were ticketed for exceeding the speed limit was greater than the number of
vehicles that were equipped with radar detectors.
(D) Many of the vehicles that were ticketed for exceeding the speed limit were ticketed more than once in the
time period covered by the report.
(E) Drivers on Maryland highways exceeded the speed limit more often than did drivers on other state
highways not covered in the report.
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Re: A recent report determined that although only 3 percent of drivers on   [#permalink] 13 Jan 2008, 11:59

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