PT141.S4.Q18 > Explanation

SECTION 1 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7

PASSAGE 2

Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15

PASSAGE 3

Question 16 Question 17 Question 18 Question 19 Question 20 Question 21

PASSAGE 4

Question 22 Question 23 Question 24 Question 25 Question 26 Question 27

SECTION 2 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25

SECTION 3 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7

PASSAGE 2

Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14

PASSAGE 3

Question 15 Question 16 Question 17 Question 18 Question 19 Question 20

PASSAGE 4

Question 21 Question 22 Question 23 Question 24 Question 25 Question 26 Question 27

SECTION 4 · lr

No flaw. The premises say that there are sometimes errors in Periodos, and the conclusion states that there may be errors in the last two pages of this issue. Both the premises and conclusion deal with the possibility of errors and never mistake possible errors for likely errors.

Wrong flaw. These premises state that there are usually few (but at least some) errors in Periodos, but it concludes that there will likely not be any errors. Just because Aisha hasn’t encountered errors yet doesn’t mean there won't be any in the next pages, especially since there are sometimes errors in Periodos. This doesn’t match the stimulus because it predicts the probable absence of errors based on a lack of prior errors, while the stimulus predicts probable rain based on a lack of prior rain.

This answer choice confuses possibility with probability. We know that there are usually a few errors in each issue, so there could be errors in this issue. However, concluding that the last two pages of this issue are likely to contain errors is not supported. There could be some underlying reason for this issue’s lack of errors, such as the author proofreading it before submitting it to Aisha, which would mean it is no more likely for the last two pages to contain errors than any other pages in the issue.

No flaw. Aisha’s prior experience proofreading this journal, along with the fact that this journal rarely contains errors, supports the conclusion. The author concludes that it is unlikely, but not certain, that the next issue will contain no errors, which aligns with the premises—they say it is rare for an issue to contain errors, but sometimes it happens. There is no confusion of possibility and probability here.

Wrong flaw. This answer choice assumes that there usually being errors in issues of Periodos means that there must have been an error in the issue Aisha proofread. However, just because it is probable that each issue contains an error does not mean it is certain that every issue does. It is possible that this issue was error-free and Aisha did not make a mistake in her proofreading. This is different from the stimulus’s error of assuming that just because something is possible, it is probable.

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PrepTest 141 - Section 4 - Question 18

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