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There are two main manufacturers of light plains in this

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There are two main manufacturers of light plains in this [#permalink]

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New post 16 Sep 2017, 00:55
2
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A
B
C
D
E

Difficulty:

  85% (hard)

Question Stats:

50% (01:26) correct 50% (01:40) wrong based on 179 sessions

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There are two main manufacturers of light plains in this regional market: SpeedStar and Lightning. Unlike the crash rate of lightning built airplanes, the crash rate of speed star airplanes has decreased in the last five years. Thus, although the number of passengers who refuse to take lightning built airplanes has not yet increased, it will inevitably increase.

Which of the following, if true, most seriously weakens the argument above..?

1. the rate of crashes of speedstar airplanes that involve fatalities and injuries has increased in the last five years.
2.lightning built airplanes make up the majority of the fleets of low-cost airlines, which charge travelers approx. 25 % less per trip than do airlines that use SpeedStar
3.the price that airline pay for the lightning built airplane has remained constant in the past five years
4. changes in airline consumer preference always lag behind subtle trends in airline safety rates
5. The Federal Aviation Association has begun an investigation into safety practices at SpeedStar's manufacturing plant

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Re: There are two main manufacturers of light plains in this [#permalink]

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New post 16 Sep 2017, 01:58
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There are two main manufacturers of light plains in this regional market: SpeedStar and Lightning. Unlike the crash rate of lightning built airplanes, the crash rate of speed star airplanes has decreased in the last five years. Thus, although the number of passengers who refuse to take lightning built airplanes has not yet increased, it will inevitably increase.
IMO A
Since the rates of crashes of Speedstar aeroplanes causing fatalities and injuries have increased over the years future passengers may not prefer to travel by Speedstar.This is inspite of the fact that crash rate of Speed star aeroplanes has dereased over five years. This option provides the most convincing reason as to why travelers should not opt to travel by Speed star aeroplanes.All other options do not weaken the argument as much. So A is the answer. Please give me kudos . I need them badly to increase my score.
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Re: There are two main manufacturers of light plains in this [#permalink]

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New post 18 Sep 2017, 11:18
csaluja wrote:
Why is option B incorrect?


Hello csaluja -

If you read the argument, it talks more about the safety of the airplane and not the cost. Considering this as a premise of the argument cost does not beat the safety of the passengers, thus, cost does not provide a strong reason for passengers to choose the airplane.

Hope this help.
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Best AWA Template: https://gmatclub.com/forum/how-to-get-6-0-awa-my-guide-64327.html#p470475

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Re: There are two main manufacturers of light plains in this [#permalink]

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New post 20 Sep 2017, 23:50
two main manufacturers SpeedStar and Lightning.
the crash rate of speed star airplanes has decreased in the last five years.
Thus the number will inevitably increase.
why author thinks that number will increase because crash rate of speed star airplanes has decreased
what if crash caused many fatalities then number will not increase
A is the answer
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Re: There are two main manufacturers of light plains in this [#permalink]

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New post 03 Oct 2017, 09:05
ydmuley wrote:
There are two main manufacturers of light plains in this regional market: SpeedStar and Lightning. Unlike the crash rate of lightning built airplanes, the crash rate of speed star airplanes has decreased in the last five years. Thus, although the number of passengers who refuse to take lightning built airplanes has not yet increased, it will inevitably increase.

Which of the following, if true, most seriously weakens the argument above..?

1. the rate of crashes of speedstar airplanes that involve fatalities and injuries has increased in the last five years.
2.lightning built airplanes make up the majority of the fleets of low-cost airlines, which charge travelers approx. 25 % less per trip than do airlines that use SpeedStar
3.the price that airline pay for the lightning built airplane has remained constant in the past five years
4. changes in airline consumer preference always lag behind subtle trends in airline safety rates
5. The Federal Aviation Association has begun an investigation into safety practices at SpeedStar's manufacturing plant


I believe the OA has many holes:-
the crash rate of SS plane has decreased while the crash rate of lightning remained same or increased:- what conclusion we make from this? Crash rate of SS is higher? lower ? or equal to Crash rate of lightening=>>> nothing because we dont know the actual crash rate of both manufacturer.
So just because the crash rate of SS decreased and Crash rate of lightening increased does not necessarily make passenger choose one over the other.

Since there can be scenario like this:-
Crash Rate of SS Before 50% after 30%
Crash Rate of lightening before 1% after 1.5%

Would request experts to explain.
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Re: There are two main manufacturers of light plains in this [#permalink]

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New post 03 Oct 2017, 09:06
I believe the OA has many holes:-
the crash rate of SS plane has decreased while the crash rate of lightning remained same or increased:- what conclusion we make from this? Crash rate of SS is higher? lower ? or equal to Crash rate of lightening=>>> nothing because we dont know the actual crash rate of both manufacturer.
So just because the crash rate of SS decreased and Crash rate of lightening increased does not necessarily make passenger choose one over the other.

Since there can be scenario like this:-
Crash Rate of SS Before 50% after 30%
Crash Rate of lightening before 1% after 1.5
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Re: There are two main manufacturers of light plains in this [#permalink]

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New post 11 Dec 2017, 19:29
there is a high chance that this question is a non-gmat question from unreliable source. Only beatthegmat and a chinese website have such question. On both sites, people complain about the quality of this question.
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Re: There are two main manufacturers of light plains in this [#permalink]

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New post 12 Dec 2017, 05:12
Argument : Trend of crash rate of S go down Vs Trend of crash rate of L stable or going up
CL: Passenger will leave L as considered less safe

Topic change from: crash rate and Safety. Argument states that crash rate = safety

To weaken the argument: what if crash rate opposite of safety:

ex: (out of 100 flight of 10 persons)

Argument:

1. S: 10% crash rate (10flight) but 50% casualties = 50 dead
L: 20% crash rate (20 flight) but 50% casualties = 100Dead
cl: S is safer as % crash rate reflect safety (% casualties equal)

weaken:
2. S: 10% crash rate (10flight) but 100% casualties = 100 dead
L ex1: 20% crash rate (20 flight) but 10% casualties = 40Dead
L ex2: 30% crash rate (30 flight) but 10% casualties = 90Dead
L ex3: 100% crash rate (100 flight) but 0,9% casualties = 90Dead
cl: if the % of casualties per crash of S is going up it is probably not as safe (the trend) as L despite a lower % crash rate. ->A

Hope that make sense
Re: There are two main manufacturers of light plains in this   [#permalink] 12 Dec 2017, 05:12
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