Smoking in bed has long been the main cause of home fires. : GMAT Critical Reasoning (CR)
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# Smoking in bed has long been the main cause of home fires.

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Smoking in bed has long been the main cause of home fires. [#permalink]

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24 Jun 2008, 01:47
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Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires. Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.

C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.

D) An increasing number of people have been killed in home fires that started in the kitchen.

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades.
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Re: CR: Smoking causes deaths [#permalink]

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24 Jun 2008, 01:58
lexis wrote:
Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires. Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.

C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.

D) An increasing number of people have been killed in home fires that started in the kitchen.

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades.

I went for A. B resolves the discrepancy since it means some degree of deline in sigarette smoking (sleeping) while the case still remains unchanged...
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Re: CR: Smoking causes deaths [#permalink]

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24 Jun 2008, 02:02
A for me as well...
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24 Jun 2008, 03:42
had a tough time choosing btwn A and B, but chose A at the end
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Re: CR: Smoking causes deaths [#permalink]

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24 Jun 2008, 07:44
A for me too
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Re: CR: Smoking causes deaths [#permalink]

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24 Jun 2008, 07:57
B for me. A says that smoking in bed does little damage compare to other fires. That means main cause of deaths of home fires is not smoking in the bed.

However B on the other hand says that Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep. But when passage says that number of smokers are reducing then these incidences should also be reduced. So this is not able to resolve discrepancy.

Whats the OA?
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Re: CR: Smoking causes deaths [#permalink]

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24 Jun 2008, 12:32
Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.
>>>Only this choice doesnot explain why there is no decline in the number of people killed in home fires.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.

C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.

D) An increasing number of people have been killed in home fires that started in the kitchen.

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades.
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Re: CR: Smoking causes deaths [#permalink]

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24 Jun 2008, 12:59
lexis wrote:
Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires. Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.

C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.

D) An increasing number of people have been killed in home fires that started in the kitchen.

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades.

B
Smoking decreased. Deaths NOT decreased. Why?
A - because, fires other than smoke fires cause MUCH damage. So decreasing smoking will not decrease deaths. (Discrepancy resolved)
C - because, smoking decreased but heavy smokers are still smoking and these heavy smokers are the cause of fires which kill people.(Discrepancy resolved).
D - because, smoking is not actual cause of home fires. Fires in kitchen are the MAIN cause. (Discrepancy resolved)
E - Clearly out.
-----------
For each of the above options, we see that smoking DID NOT cause fire. Or There is something else that is killing people.
We can see that each option is giving us an NEW cause that is responsible for deaths.
-----------
B - home fires caused by smoking start after everyone sleeps.
This statement does not give us any 'other' cause. In fact this choice is saying 'smoking is causing the fires'.If this statement were true then the number of killed MUST decrease.
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Re: CR: Smoking causes deaths [#permalink]

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26 Jun 2008, 22:25
Sorry! A is not OA.
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26 Jun 2008, 23:03
lexis wrote:
Sorry! A is not OA.

Opps~~~

Well...I've taken a look at the question again, and then found that C might be the answer choice, since...the smokers in bed are heavy smokers who are less likely to quit smoking. Meaning that their has not been a decrease in smoking in bed, and thus the death in bed has not been decreased. This is not resolving the discrepancy. ...Well...not what is the answer???
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27 Jun 2008, 04:01
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clubzzang wrote:
lexis wrote:
Sorry! A is not OA.

Opps~~~

Well...I've taken a look at the question again, and then found that C might be the answer choice, since...the smokers in bed are heavy smokers who are less likely to quit smoking. Meaning that their has not been a decrease in smoking in bed, and thus the death in bed has not been decreased. This is not resolving the discrepancy. ...Well...not what is the answer???

Once again, sorry! C is not OA.
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27 Jun 2008, 05:12
I will go for B.
B. Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep. - But, if the number of smokers decreased, the impact should be less.
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Re: CR: Smoking causes deaths [#permalink]

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27 Jun 2008, 10:46
lexis wrote:
Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires. Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.

C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.

D) An increasing number of people have been killed in home fires that started in the kitchen.

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades.

Smoking in bed has long been the main cause of home fires.
There a significant decline in cigarette smoking in the last two decades, but there has been no comparable decline in the number of people killed in home fires.

Discrepancy - Though there is decline in cigarette smoking , there is no decline in number of peiople killed in home fires.
[color=#80BFFF]
C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.
>>This explain why there is no decline in home fire deaths. The nos of smokers would have decreased but the nos of smokers in bed did not decrease. Smokers in bed are likely to cause fire

D) An increasing number of people have been killed in home fires that started in the kitchen.
>>This explain why there is no decline in home fire deaths. Here have an alternate reason for homefires.

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades
>>This explain why there is no decline in home fire deaths.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.
>>Explains a reason for home fires and deaths

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.
>>>How does this explain there is no decline in deaths? No it doesn't.
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Re: CR: Smoking causes deaths [#permalink]

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27 Jun 2008, 11:01
lexis wrote:
Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires. Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

we have to make a statement to resolve the descripancy here. If we can show a statement that can not be helpful in showing the descripancy in above statement , that would be the answer.
Except option E every other option can explain why more there is increased number of poeple getting killed in fire accidents for the past 2 decades.

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.
explains why fire accidents caused by smoking in bed causes relatively less effect.
so decrepancy explained.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.
Even number of people smoking decreased over years, the people that were killed in fire accidents is not decreasing bcz they are getting killed in sleep. descrepancy explained

C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.
heavy smokers do not quit on smoking ,others may quit..so descrepancy explained
D) An increasing number of people have been killed in home fires that started in the kitchen.
clearly says that increase or decrease in number smokers does not have any influence on the people that are killed in fire accidents. descrepancy explained.

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades.
This statement can not explain why there is descrepancy..so the hero is E.

Vote for E
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28 Jun 2008, 08:36
chan4312 wrote:
lexis wrote:
Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires. Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

we have to make a statement to resolve the descripancy here. If we can show a statement that can not be helpful in showing the descripancy in above statement , that would be the answer.
Except option E every other option can explain why more there is increased number of poeple getting killed in fire accidents for the past 2 decades.

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.
explains why fire accidents caused by smoking in bed causes relatively less effect.
so decrepancy explained.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.
Even number of people smoking decreased over years, the people that were killed in fire accidents is not decreasing bcz they are getting killed in sleep. descrepancy explained

C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.
heavy smokers do not quit on smoking ,others may quit..so descrepancy explained
D) An increasing number of people have been killed in home fires that started in the kitchen.
clearly says that increase or decrease in number smokers does not have any influence on the people that are killed in fire accidents. descrepancy explained.

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades.
This statement can not explain why there is descrepancy..so the hero is E.

Vote for E

Population densities have increased - That implies number of people that can be affected in afire has increased.

For example
In year 2000, the number of people lived in area xyz is 100.
100 people were subjected to the fire
In year 2008, the number of people lived in area xyz is 200.
200 people were subjected to the fire
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Re: CR: Smoking causes deaths [#permalink]

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28 Jun 2008, 12:00
lexis wrote:
Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires.

Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.
s.

We are determine what does NOT resolve the paradox.

The paradox is that smoking has declined while fatalities from home fires have increased.
So there may be an alternative cause of fires or that smoking is not related to home fires.

B is OA.
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Re: CR: Smoking causes deaths [#permalink]

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28 Jun 2008, 13:59
lexis wrote:
lexis wrote:
Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires.

Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.
s.

We are determine what does NOT resolve the paradox.

The paradox is that smoking has declined while fatalities from home fires have increased.
So there may be an alternative cause of fires or that smoking is not related to home fires.

B is OA.

Lexis,May I know the source of this question?
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29 Jun 2008, 08:06
What is the source lexis?
If GMAT Prep , please mark it.
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Re: CR: Smoking causes deaths [#permalink]

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29 Jun 2008, 10:49
lexis wrote:
lexis wrote:
Smoking in bed has long been the main cause of home fires. Despite a significant decline in cigarette smoking in the last two decades, there has been no comparable decline in the number of people killed in home fires.

Each one of the following statements, if true over the last two decades, helps to resolve the apparent discrepancy above EXCEPT:

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.
s.

We are determine what does NOT resolve the paradox.

The paradox is that smoking has declined while fatalities from home fires have increased.
So there may be an alternative cause of fires or that smoking is not related to home fires.

B is OA.

Ok now I get it.

The discrepancy is
1.Casual assumption - No alternative cause is considered.
- Homes fires are started by - smoking in bed

2.Representativeness of data

To resolve a paradox we need to find alternate reasons:

A) Compared to other types of home fires, home fires caused by smoking in bed usually cause relatively little damage before they are extinguished.
gives alternate reasons for home fires

D) An increasing number of people have been killed in home fires that started in the kitchen.
gives alternate reasons for home fires

E) Population densities have increased, with the result that one home fire can cause more deaths than in previous decades.
gives alternate reasons for representativeness of data
A decade before a neighborhood was parsely populated.
Now the neighborhood is densely populated. So more number of people are affected.

C) Smokers who smoke in bed tend to be heavy smokers who are less likely to quit smoking than are smokers who do not smoke in bed.
still gives smoking in bed as a reason for fire but gives a different reason for Representativeness of data discrepancy.

B) Home fires caused by smoking in bed often break out after the home's occupants have fallen asleep.
This answer choice goes with the asumption in the argumnet can provides no alternate reasons.Hence doesnot resolve the paradox.
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Re: CR: Smoking causes deaths [#permalink]

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29 Jun 2008, 11:56
It must be B.

A solves the problem, ie the argument talks only about the home fires that have been found, what if there were others that have gone undetected. This would solve the issue.

B does not bring about a relation ship between smoking people and house fires. So what if the fire bursts out after all have fallen asleep? Does it convey or say anything why even though there has been a decrease in smokers, there is an increase in home fires?? hmmmm no

C solves the problem stating that the people who quit aren't the ones who smoked on their beds at night.

D gives a totally different reason for the start of fires, thus there is some other reason that caused the excess home fires.

E more population = more deaths even though smokers causing fires have decreased.
Re: CR: Smoking causes deaths   [#permalink] 29 Jun 2008, 11:56
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