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20 Oct 2020, 09:42
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
57% (01:30) correct
43%
(01:34)
wrong
based on 545
sessions
History
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To use the pool at City Gym, one must have a membership there. Sarah has a membership at City Gym. She must therefore use the pool there at least occasionally.
The reasoning in the argument is flawed in that the argument
(A) mistakes a policy that is strictly enforced for a policy to which exceptions are made
(B) treats a sentence whose truth is required for the conclusion to be true as though it were a statement whose truth ensures that the conclusion is true
(C) presumes that one or the other of two alternatives must be the case without establishing that no other alternative is possible
(D) concludes that a person has a certain attribute simply because that person belongs to a group most of whose members have that attribute
(E) draws a conclusion that merely restates a claim presented in support of that conclusion
The reasoning in the argument is flawed in that the argument
(A) mistakes a policy that is strictly enforced for a policy to which exceptions are made
(B) treats a sentence whose truth is required for the conclusion to be true as though it were a statement whose truth ensures that the conclusion is true
(C) presumes that one or the other of two alternatives must be the case without establishing that no other alternative is possible
(D) concludes that a person has a certain attribute simply because that person belongs to a group most of whose members have that attribute
(E) draws a conclusion that merely restates a claim presented in support of that conclusion
21 Oct 2020, 22:22
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this one is mistaken reversal; mistakening the necessary condition for the sufficient condition. Having a card membership is the necessary condition for using the pool but it doesn't guarantee Sarah will use the pool.
B is correct
B is correct
21 Oct 2020, 23:19
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Hovkial
We can convert this into a 'IF..THEN..' statement.
If someone uses the pool(A), one must have the membership(B)...If A then B.
But the only other logical inference can be 'If Not B, then Not A.'
Quote:
B : Sarah has a membership at City Gym.
A : She must therefore use the pool there at least occasionally.
This converts it into 'If B, then A', which is not correct.
Sarah may have a membership, but may not use the pool at all.
Choice B catches the point correctly.
(B) treats a sentence whose truth is required for the conclusion to be true as though it were a statement whose truth ensures that the conclusion is true
If the conclusion, 'She must therefore use the pool there at least occasionally.' is to be true, then 'Sarah has a membership at City Gym. ' has to be true.
But the argument erroneously treats it the other way.
(D) concludes that a person has a certain attribute simply because that person belongs to a group most of whose members have that attribute
WHY D is incorrect?
It is nowhere given that people who have membership use pool. It maybe be possible only 1% of them use the pool. We just know that if someone uses pool, he has a membership.
B
you go to B and break it
