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# Most people erroneously believe that airplanes are dangerous

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Most people erroneously believe that airplanes are dangerous [#permalink]

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20 Apr 2013, 18:03
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Most people erroneously believe that airplanes are dangerous modes of transport. Statistics
clearly reveal that more people are killed every year in road accidents than in air crashes. So
travelling by airplanes is in fact safer than travelling by a car or a bus.

Which of the following, if true, most strongly supports the above explanation?

(A) Airlines across the globe spend significant amounts of money every year on adding new
safety features to their airplanes
(B) There is no country in the world in which the number of people killed in air crashes exceeds
the number of people killed in road accidents
(C) In a recently conducted survey by an independent agency, a majority of the respondents
stated that they felt safer while travelling by air than while travelling by road
(D) The number of people who travel by airplanes every year is roughly equal to the number of
(E) The technology used in modern aircrafts is much more sophisticated than that used in most
[Reveal] Spoiler: OA

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Re: Most people erroneously believe that airplanes are dangerous [#permalink]

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20 Apr 2013, 18:09

The answer that validates the argument (statistics) would support the conclusion. Only D clearly indicates that the comparison is appropriate in terms of numbers.
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Re: Most people erroneously believe that airplanes are dangerous [#permalink]

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20 Apr 2013, 18:38
Number problem: IMO, D is correct.

Premise: more people are killed every year in road accidents than in air crashes
Conclusion: airplanes is in fact safer than travelling by a car or a bus
Assumption: the number of people who travel by airplanes is not less than those travel by bus.

(A) Airlines across the globe spend significant amounts of money every year on adding new safety features to their airplanes
Wrong. Out of scope.

(B) There is no country in the world in which the number of people killed in air crashes exceeds the number of people killed in road accidents
Wrong. (Shell game). B only talks about the number of people killed in air / road.

(C) In a recently conducted survey by an independent agency, a majority of the respondents stated that they felt safer while travelling by air than while travelling by road
Wrong. "felt safer" does not say anything about the number of people.

(D) The number of people who travel by airplanes every year is roughly equal to the number of people who travel by road.
Correct.

(E) The technology used in modern aircrafts is much more sophisticated than that used in most forms of road transport.
Wrong. Out of scope.

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Re: Most people erroneously believe that airplanes are dangerous [#permalink]

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21 Apr 2013, 01:08
my pick will be D
we need to make the number of people traveling in both the mode of travel same before arriving at any conclusion
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Re: Most people erroneously believe that airplanes are dangerous [#permalink]

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21 Apr 2013, 07:10
Oa added. thanks for the brief discussion
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Re: Most people erroneously believe that airplanes are dangerous [#permalink]

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21 Nov 2014, 10:08
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Re: Most people erroneously believe that airplanes are dangerous   [#permalink] 21 Nov 2014, 10:08
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