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In Berinia, the age at which people could begin to drink alc

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In Berinia, the age at which people could begin to drink alc [#permalink] New post 25 Dec 2012, 03:18
00:00
A
B
C
D
E

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  25% (medium)

Question Stats:

75% (02:08) correct 25% (01:38) wrong based on 103 sessions
In Berinia, the age at which people could begin to drink alcohol legally used to be 18. In 1990, in an attempt to
reduce alcohol consumption and thereby to reduce alcohol -related traffic deaths, among Berinians under 21,
the legal drinking age was raised to 21. Alcohol-related traffic deaths among people under 21 have decreased
significantly since 1990. Nevertheless, surveys show that people in that age-group drink as much alcohol as they
did before 1990.

Which of the following, if true of Berinia, most helps to resolve the apparent discrepancy?

A: For the population as a whole, annual alcohol consumption is no lower now than it was in 1990
B: Alcohol consumption away from home, for example in bar and restaurants, is much lower among people under 21
than it was in 1990.
C: The proportion of people under 21 who own a car is higher now than it was in 1990.
D: Alcohol consumption is lower among people under 21 than among adults in mist other age -groups
E: Alcohol-related traffic deaths among people over 21 have increased slightly since 1990.
[Reveal] Spoiler: OA

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Re: In Berinia, the age at which people could begin to drink alc [#permalink] New post 25 Dec 2012, 04:01
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In Berinia, the age at which people could begin to drink alcohol legally used to be 18. In 1990, in an attempt to
reduce alcohol consumption and thereby to reduce alcohol -related traffic deaths, among Berinians under 21,
the legal drinking age was raised to 21. Alcohol-related traffic deaths among people under 21 have decreased
significantly since 1990. Nevertheless, surveys show that people in that age-group drink as much alcohol as they
did before 1990.

Which of the following, if true of Berinia, most helps to resolve the apparent discrepancy?

A: For the population as a whole, annual alcohol consumption is no lower now than it was in 1990 OUT OF SCOPE
B: Alcohol consumption away from home, for example in bar and restaurants, is much lower among people under 21
than it was in 1990. CORRECT THE LEGAL DRINKING AGE RAISED TO 21 --> PPL UNDER 21'S CONSUMPTION DECREASED SIGNIFICATLY away from home --> ALCOHOL RELATED TRAFFIC DEATHS AMONG UNDER 21 DECREASED EVEN IF THE CONSUMPTION IS THE SAME AS IT WAS IN 1990 FOR THIS PPL WHO ARE UNDER 21
C: The proportion of people under 21 who own a car is higher now than it was in 1990. OWNING A CAR DOESN'T EXPLAIN WHY ALCOHOL-RELATED TRAFFIC DEATHS DECREASED AMONG PPL UND 21
D: Alcohol consumption is lower among people under 21 than among adults in mist other age -groups WE ARE NOT COMPARING THE TWO GROUPS OF PPL
E: Alcohol-related traffic deaths among people over 21 have increased slightly since 1990.
OUT OF SCOPE WE ARE CONCERNED WITH PPL UNDER 21
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Re: In Berinia, the age at which people could begin to drink alc [#permalink] New post 25 Dec 2012, 04:34
In Berinia, the age at which people could begin to drink alcohol legally used to be 18. In 1990, in an attempt to
reduce alcohol consumption and thereby to reduce alcohol -related traffic deaths, among Berinians under 21,
the legal drinking age was raised to 21. Alcohol-related traffic deaths among people under 21 have decreased
significantly since 1990. Nevertheless, surveys show that people in that age-group drink as much alcohol as they
did before 1990.

Which of the following, if true of Berinia, most helps to resolve the apparent discrepancy?

p1: legal drinking age was 18 ( before 1990 )
p2: legal drinking age increased to 21 in order to reduce death rates ( after 1990 )
Conclusion:
( same level of alcohol consumption) ----- > ( traffic accident deaths @ age 21 decreased )
( before & after 1990) ( after 1990 )

A: For the population as a whole, annual alcohol consumption is no lower now than it was in 1990
here annual consumption has do link in decrease in accident death rates - No

B: Alcohol consumption away from home, for example in bar and restaurants, is much lower among people under 21 than it was in 1990
Alcohol consumption away from home decreases, since drinking is not legal under age 21 ; so there is no chance of drinking & driving ; hence,accident under age 21 decreases - yes

C: The proportion of people under 21 who own a car is higher now than it was in 1990.
owning car has no link on decrease in accident death rates - no

D: Alcohol consumption is lower among people under 21 than among adults in mist other age -groups
In question stem,that people in that age-group drink as much alcohol as they
did before - no

E: Alcohol-related traffic deaths among people over 21 have increased slightly since 1990.
we concern only about people under age not over age- no

Hence - B
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Re: In Berinia, the age at which people could begin to drink alc [#permalink] New post 25 Dec 2012, 04:38
Expert's post
B is correct in that it gives us the fact that people under 21 now drink , most probably at their home. Thus, the chance of drunk people under 21 driving the vehicle has probably reduced. As the drunk people have reduced driving, so thereby chances of accidents has also reduced.
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Re: In Berinia, the age at which people could begin to drink alc [#permalink] New post 26 Jan 2013, 00:32
Paradox:
There has been a decreased in traffic deaths.
Yet, the alcohol consumption of those under 21 was the same as before the new regulation.


A: For the population as a whole, annual alcohol consumption is no lower now than it was in 1990
If consumption before and now is the same, how do we resolve the traffic-death decline? We are left in the dark here. OUT!

B: Alcohol consumption away from home, for example in bar and restaurants, is much lower among people under 21
than it was in 1990.
Most of the alcohol drinking is not away from home (or in bars)... Less drink and drive... This explains the paradox. BINGO!

C: The proportion of people under 21 who own a car is higher now than it was in 1990.
Okay? But why did the traffic-death decline after the new regulation. We are left in the dark here. OUT!

D: Alcohol consumption is lower among people under 21 than among adults in mist other age -groups
Still doesn't resolve the paradox.

E: Alcohol-related traffic deaths among people over 21 have increased slightly since 1990.
Still doesn't resolve the paradox about traffic-death decline vs. same alcohol consumption

The answer is B. Even if the alcohol consumption was the same, the traffic death decline was realized because of less drink and drive.
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Re: In Berinia, the age at which people could begin to drink alc [#permalink] New post 21 May 2013, 07:09
I feel this is the best answer available. How do we connect the dots here??
argument says- people under the age of 21 drink as much as they did before
Accidents related deaths among 21 age group reduced.
how does alcohol drinking away from home reduce the traffic deaths? Why should we assume or think that they drive back home after drinking?
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Re: In Berinia, the age at which people could begin to drink alc   [#permalink] 21 May 2013, 07:09
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