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# A recent survey of all auto accident victims in Dole County

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A recent survey of all auto accident victims in Dole County [#permalink]

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15 Jul 2005, 21:29
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A recent survey of all auto accident victims in Dole County found that, of the severely injured drivers and front-seat passengers, 80 percent were not wearing seat belts at the time of their accidents. This indicates that, by wearing seat belts, drivers and front-seat passengers can greatly reduce their risk of being severely injured if they are in an auto accident.
The conclusion above is not properly drawn unless which of the following is true?

(A) Of all the drivers and front-seat passengers in the survey, more than 20 percent were wearing seat belts at the time of their accidents.

(B)Considerably more than 20 percent of drivers and front-seat passengers in Dole County always wear seat belts when traveling by car.

(C) More drivers and front-seat passengers in the survey than rear-seat passengers were very severely injured.

(D) More than half of the drivers and front-seat passengers in the survey were not wearing seat belts at the time of their accidents.

(E) Most of the auto accidents reported to police in Dole County do not involve any serious injury
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Senior Manager
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16 Jul 2005, 04:03
Picked A.

More belted drivers + less no. of serious injuries implies improved safety due to seat belts.

HMTG.
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16 Jul 2005, 11:04
My pick is A
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16 Jul 2005, 12:08
HowManyToGo wrote:
Picked A.

More belted drivers + less no. of serious injuries implies improved safety due to seat belts.

HMTG.

Can more than 20% mean 90%, 80%...any high percentage right....Then wouldnt that contradict the conclusion that inspite of wearing seatbelt people tend to get injured?
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16 Jul 2005, 12:41
OA is "A"..

Only A represent that a 'Suitable' sample was used...what if the total no of people that were surved has less than 20% of people who wear seatbelts??
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16 Jul 2005, 19:44
I was afftected by the wording in A

(A) Of all the drivers and front-seat passengers in the survey, more than 20 percent were wearing seat belts at the time of their accidents.

80% + more than 20% > 100%
16 Jul 2005, 19:44
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# A recent survey of all auto accident victims in Dole County

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