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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] New post 20 Apr 2013, 17:03
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A
B
C
D
E

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Question Stats:

70% (01:49) correct 30% (01:05) wrong based on 61 sessions
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
people who travel by road.
(E) The technology used in modern aircrafts is much more sophisticated than that used in most
forms of road transport.
[Reveal] Spoiler: OA

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Re: Most people erroneously believe that airplanes are dangerous [#permalink] New post 20 Apr 2013, 17:09
IMO answer is D.

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] New post 20 Apr 2013, 17:38
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] New post 21 Apr 2013, 00:08
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] New post 21 Apr 2013, 06:10
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Re: Most people erroneously believe that airplanes are dangerous   [#permalink] 21 Apr 2013, 06:10
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