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QOTD: Springfield Fire Commissioner

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QOTD: Springfield Fire Commissioner [#permalink]

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Verbal Question of The Day: Day 109: Critical Reasoning


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Springfield Fire Commissioner: The vast majority of false fire alarms are prank calls made anonymously from fire alarm boxes on street corners. Since virtually everyone has access to a private telephone, these alarm boxes have outlived their usefulness. Therefore, we propose to remove the boxes. Removing the boxes will reduce the number of prank calls without hampering people's ability to report a fire.

Which of the following, if true, most strongly supports the claim that the proposal, if carried out, will have the announced effect?

(A) The fire department traces all alarm calls made from private telephones and records where they came from.

(B) Maintaining the fire alarm boxes costs Springfield approximately five million dollars annually.

(C) A telephone call can provide the fire department with more information about the nature and size of a fire than can an alarm placed from an alarm box.

(D) Responding to false alarms significantly reduces the fire department's capacity for responding to fires.

(E) On any given day, a significant percentage of the public telephones in Springfield are out of service.

Every question of the day will be followed by an expert reply by GMATNinja in 12-15 hours. Stay tuned! Post your answers and explanations to earn kudos.
[Reveal] Spoiler: OA

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QOTD: Springfield Fire Commissioner [#permalink]

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New post 22 Sep 2017, 05:51
The "announced effect" is that removing the fire alarm boxes on street corners "will reduce the number of prank calls without hampering people's ability to report a fire."

Why does the commissioner believe that removing those alarm boxes will reduce the number of prank calls? "The vast majority of false fire alarms are prank calls made anonymously from fire alarm boxes." The commissioner implies that it would be more difficult to make anonymous prank calls from private telephones rather than from public fire alarm boxes on street corners, but what if that isn't the case?

Also, what if removing those public fire alarm boxes limits people's ability to report fires? According to the commissioner, this is not a problem "since virtually everyone has access to a private telephone."

Which of the following, if true, most strongly supports the claim that the proposal, if carried out, "will reduce the number of prank calls without hampering people's ability to report a fire."?

Quote:
(A) The fire department traces all alarm calls made from private telephones and records where they came from.

The commissioner claims that the number of prank calls would be reduced if people could only report fires with private telephones rather than with public fire alarm boxes. But what if people could still make anonymous reports from their private telephones? That would weaken the commissioners argument. Choice (A) assures us that the private calls will, in fact, be traced, likely discouraging people from making prank calls from their private telephones. Thus, (A) supports the commissioner's claim.

Quote:
B) Maintaining the fire alarm boxes costs Springfield approximately five million dollars annually.

The cost of maintaining the fire alarm boxes has nothing to do with the effect that removing those boxes would have on the number of prank calls or people's ability to report fires. Eliminate (B).

Quote:
(C) A telephone call can provide the fire department with more information about the nature and size of a fire than can an alarm placed from an alarm box.

Choice (C) describes a possible advantage of reporting fires with private telephones instead of fire alarm boxes. However, as with choice (B), this has nothing to do with the effect that removing those boxes would have on the number of prank calls or people's ability to report fires. (C) is out.

Quote:
(D) Responding to false alarms significantly reduces the fire department's capacity for responding to fires.

Choice (D) explains a negative consequence of prank calls but does give us any reason to believe that removing the fire alarm boxes would reduce the number of prank calls. Eliminate (D).

Quote:
(E) On any given day, a significant percentage of the public telephones in Springfield are out of service.

Choice (E) might strengthen the commissioner's claim that the "alarm boxes have outlived their usefulness," but it does not support the commissioner's claim that the proposal "will reduce the number of prank calls without hampering people's ability to report a fire." Eliminate (E).

Choice (A) is the best answer.
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Re: QOTD: Springfield Fire Commissioner [#permalink]

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New post 22 Sep 2017, 06:32
Hi,

Quote:
Removing the boxes will reduce the number of prank calls without hampering people's ability to report a fire.


Removing the boxes will have following effects:

1. will reduce the number of prank calls, and

2. not hamper people's ability to report to a fire.

Options:

(A) Strengthen the point no. 1. So keep it.

(B) Cost is not an issue. Out of scope

(C) Detail of fire is not the main point or conclusion of the argument. Out.

(D) Talks about improvement in capacity for responding to fire. This doesn't strengthen either 1 or 2.

(E) This weakens the point no. 2. Out.

Answer: (A)

Thanks.

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QOTD: Springfield Fire Commissioner [#permalink]

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New post 22 Sep 2017, 10:34
Conclusion: Removing the boxes will reduce the number of prank calls without hampering people's ability to report a fire.

Option A: The fire department traces all alarm calls made from private telephones and records where they came from.


Since the fire department can trace all alarm calls made from private telephones, the number of prank calls will reduce. This option clearly strengthens the author's conclusion

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Re: QOTD: Springfield Fire Commissioner [#permalink]

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New post 22 Sep 2017, 11:18
Springfield Fire Commissioner: The vast majority of false fire alarms are prank calls made anonymously from fire alarm boxes on street corners. Since virtually everyone has access to a private telephone, these alarm boxes have outlived their usefulness. Therefore, we propose to remove the boxes. Removing the boxes will reduce the number of prank calls without hampering people's ability to report a fire.

Which of the following, if true, most strongly supports the claim that the proposal, if carried out, will have the announced effect?

(A) The fire department traces all alarm calls made from private telephones and records where they came from. -Correct. If the fire department is able to trace calls then the private phones can easily replace the street phone boxes.

(B) Maintaining the fire alarm boxes costs Springfield approximately five million dollars annually. -We are not worried about the cost of maintenance

(C) A telephone call can provide the fire department with more information about the nature and size of a fire than can an alarm placed from an alarm box. -We are worried about the prank calls and not the information on fire

(D) Responding to false alarms significantly reduces the fire department's capacity for responding to fires. -We know this information. This is just an inference

(E) On any given day, a significant percentage of the public telephones in Springfield are out of service. -This weakens the argument. If private phones are mostly out of service then the fire alarms on the streets can't be taken out of service.
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Re: QOTD: Springfield Fire Commissioner   [#permalink] 22 Sep 2017, 11:18
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