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# Investigators concluded that human failure was not

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Intern
Joined: 03 Nov 2004
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Investigators concluded that human failure was not [#permalink]

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11 Nov 2004, 19:01
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Investigators concluded that human failure was not responsible for the fatal airplane crash last August, and since that time new and more stringent rules for identifying and reporting mechanical problems have been in effect. That accounts for the fact that reports of airplane mechanical problems have increased in frequency by 50 percent since last August.

Which one of the following is an assumption underlying the argument in the passage?

(A) Airplane travel is still relatively safe, despite the increase in reported mechanical problems.
(B) Mechanical problems in airplanes have increased dramatically since last August.
(C) Mechanical problems in airplanes have not increased by 50 percent since last August.
(D) Airlines are less reluctant to report mechanical problems than they previously were.
(E) Mechanical problems in airplanes have become easier to detect since last August.

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Senior Manager
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11 Nov 2004, 19:48
B ?

Quote:
(B) Mechanical problems in airplanes have increased dramatically since last August.

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11 Nov 2004, 20:14
C

Reports have increased by 50%. If some of them are due to more stringent rules ...... then it looks like - Mechanical problems in airplanes have not increased by 50 percent since last August
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Aspire

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Director
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11 Nov 2004, 20:38
Since the passage says that airplane mechanical problems are reported more frequenctly - I would go with 'E' which says that those problems have become easier to detect

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Senior Manager
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12 Nov 2004, 02:55
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Director
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12 Nov 2004, 05:46
If we negate C, we know how much the assumption is valid. Let me explain, if the mech probs had increased by 50% and the reports also had increased by 50%, then the 'reporting' thing was already dilligently followed earlier. .

C establishes that the reporting has a critical impact in more thoroughly identifying and reporting ALL issues. Meaning, before the reporting mandate, the reports were clearly incorrect.

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12 Nov 2004, 06:25
The answer is D. Choice C is more of an inference rather than an assumption.
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15 Nov 2004, 05:46
D follows my line of reasoning as well. It conformsw to the denial test also.

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15 Nov 2004, 08:28
D
because it breaks off direct connection: mech problems ==> reports
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15 Nov 2004, 11:07
Ill go with D here...

can we have the OA???
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Manager
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15 Nov 2004, 11:15
RockGmat wrote:
Investigators concluded that human failure was not responsible for the fatal airplane crash last August, and since that time new and more stringent rules for identifying and reporting mechanical problems have been in effect. That accounts for the fact that reports of airplane mechanical problems have increased in frequency by 50 percent since last August.

Which one of the following is an assumption underlying the argument in the passage?

(A) Airplane travel is still relatively safe, despite the increase in reported mechanical problems.
(B) Mechanical problems in airplanes have increased dramatically since last August.
(C) Mechanical problems in airplanes have not increased by 50 percent since last August.
(D) Airlines are less reluctant to report mechanical problems than they previously were.
(E) Mechanical problems in airplanes have become easier to detect since last August.

For me it is between B and D. I will go with B because the passage talks about the new stringent rules introduced, which could suggest more rules were introduced on how to report incidences or problems, hence the increase in the mechanical problems. What do y'all think?

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15 Nov 2004, 11:19
ninomoi wrote:
RockGmat wrote:
Investigators concluded that human failure was not responsible for the fatal airplane crash last August, and since that time new and more stringent rules for identifying and reporting mechanical problems have been in effect. That accounts for the fact that reports of airplane mechanical problems have increased in frequency by 50 percent since last August.

Which one of the following is an assumption underlying the argument in the passage?

(A) Airplane travel is still relatively safe, despite the increase in reported mechanical problems.
(B) Mechanical problems in airplanes have increased dramatically since last August.
(C) Mechanical problems in airplanes have not increased by 50 percent since last August.
(D) Airlines are less reluctant to report mechanical problems than they previously were.
(E) Mechanical problems in airplanes have become easier to detect since last August.

For me it is between B and D. I will go with B because the passage talks about the new stringent rules introduced, which could suggest more rules were introduced on how to report incidences or problems, hence the increase in the mechanical problems. What do y'all think?

Reading it again, I will probabaly go for D due to the fact that new rules may have made the airlines more likely to report a problem than face the wrath of the governing body/investigators. What is the OA?

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Intern
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15 Nov 2004, 13:05
OA is C guys.

To me C passes the denial test and not D.

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15 Nov 2004, 13:05
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