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# In the United States, vacationers account for more than half

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Re: CR-Zoo Aquariums--Tricky for me  [#permalink]

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28 Mar 2011, 21:50
1

You need to find a reason as to why more vacationers are visiting pure aquariums over zoos. B argues this by stating that most cities have zoos but very few have aquariums. Therefore people are more likely to be local at their zoo and be a visiting vacationer at an aquarium.
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In the USA, Vacationers account for more than half of all  [#permalink]

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Updated on: 23 Aug 2017, 21:57
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In the USA, Vacationers account for more than half of all visitors to what are technically called "pure aquariums" but for fewer than one quarter of all visitors to zoos, which simply include a "zoo aquarium" of modest scope.

Which of the following, if true, helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?

A. In cities that have both a zoo and a pure aquarium, local residents are twice as likely to visit the aquarium as they are to visit the zoo

B. Virtually all large metropolitan areas have zoos, whereas only a few metropolitan areas have pure aquariums.

C. Over the last 10 years newly constructed pure aquariums have outnumbered newly established zoos by a factor of 2 to 1

D. People who visit zoos in a given year are two times more likely to visit a pure aquarium that year than are people who do not visit the zoo.

E. The Zoo aquariums of Zoos that are in the same city as a pure aquarium tend to be smaller than the aquariums of zoos that have no pure aquarium nearby.

Originally posted by jgomey on 22 Jan 2013, 18:57.
Last edited by Mahmud6 on 23 Aug 2017, 21:57, edited 2 times in total.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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23 Jan 2013, 03:39
jgomey wrote:
In the USA, Vacationers account for more than half of all visitors to what are technically called "pure aquariums" but for fewer than one quarter of all visitors to zoos, which simply include a "zoo aquarium" of modest scope.

Which of the following, if true, helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?

A. In cities that have both a zoo and a pure aquarium, local residents are twice as likely to visit the aquarium as they are to visit the zoo

B. Virtually all large metropolitan areas have zoos, whereas only a few metropolitan areas have pure aquariums.

C. Over the last 10 years newly constructed pure aquariums have outnumbered newly established zoos by a factor of 2 to 1

D. People who visit zoos in a given year are two times more likely to visit a pure aquarium that year than are people who do not visit the zoo.

E. The Zoo aquariums of Zoos that are in the same city as a pure aquarium tend to be smaller than the aquariums of zoos that have no pure aquarium nearby.

Lets chat first

Hii.
I feel its B.
My reasoning is that since there is a shortage of pure aquariums, therefore this shortage becomes a reason why there is difference.
Let me know if more clarification is required.
Regards.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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23 Jan 2013, 04:49
I think too is B because all visitors to zoos, which simply include a "zoo aquarium" of modest scope.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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23 Jan 2013, 06:12
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Quote:
In the USA, Vacationers account for more than half of all visitors to what are technically called "pure aquariums" but for fewer than one quarter of all visitors to zoos, which simply include a "zoo aquarium" of modest scope.

Which of the following, if true, helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?

A. In cities that have both a zoo and a pure aquarium, local residents are twice as likely to visit the aquarium as they are to visit the zoo
Wrong Wrong direction if local residents (LRs) would be twice as likely to visit A then there would be less of them in Z. The passage supports that there are rather fewer LRs in A.

B. Virtually all large metropolitan areas have zoos, whereas only a few metropolitan areas have pure aquariums.
Correct One could conclude that people from other regions will go on vacation to visit A but not Z since they could do it at home. This would explain why the propotion of visitors to LRs is higher in A.

C. Over the last 10 years newly constructed pure aquariums have outnumbered newly established zoos by a factor of 2 to 1
Wrong Out of scope. We do not care about the number of Z or A.

D. People who visit zoos in a given year are two times more likely to visit a pure aquarium that year than are people who do not visit the zoo.
Wrong This says nothing about the relationship of the number of visitors to LRs in A or Z.

E. The Zoo aquariums of Zoos that are in the same city as a pure aquarium tend to be smaller than the aquariums of zoos that have no pure aquarium nearby.

Wrong Size says nothing about the relationship between the number of visitors to LRs.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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23 Jan 2013, 07:40
I feel number can play a crucial role and the reason why C is being kicked is that it talks about NEW CONSTRUCTED ZOOS. lets see what others think.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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23 Jan 2013, 15:03
Am really having trouble in understanding this today:-(
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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Updated on: 23 Jan 2013, 18:52
Triforce wrote:
Quote:
In the USA, Vacationers account for more than half of all visitors to what are technically called "pure aquariums" but for fewer than one quarter of all visitors to zoos, which simply include a "zoo aquarium" of modest scope.

Which of the following, if true, helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?

A. In cities that have both a zoo and a pure aquarium, local residents are twice as likely to visit the aquarium as they are to visit the zoo
Wrong Wrong direction if local residents (LRs) would be twice as likely to visit A then there would be less of them in Z. The passage supports that there are rather fewer LRs in A.

B. Virtually all large metropolitan areas have zoos, whereas only a few metropolitan areas have pure aquariums.
Correct One could conclude that people from other regions will go on vacation to visit A but not Z since they could do it at home. This would explain why the propotion of visitors to LRs is higher in A.

C. Over the last 10 years newly constructed pure aquariums have outnumbered newly established zoos by a factor of 2 to 1
Wrong Out of scope. We do not care about the number of Z or A.

D. People who visit zoos in a given year are two times more likely to visit a pure aquarium that year than are people who do not visit the zoo.
Wrong This says nothing about the relationship of the number of visitors to LRs in A or Z.

E. The Zoo aquariums of Zoos that are in the same city as a pure aquarium tend to be smaller than the aquariums of zoos that have no pure aquarium nearby.

Wrong Size says nothing about the relationship between the number of visitors to LRs.

Excellent Analysis!

I fell for C. My reasoning was as follows:

Since more aquariums are built, more aquariums exist compared to Zoos. This explains why more people are visiting aquariums. MY REASONING was clearly flawed, because I did not consider the possibility that more Zoos exist overall, despite the new construction.

B is the correct choice. As indicated earlier, less aquariums exist compared to the number of Zoos, so people must travel in order to visit a "Pure Aquarium."

Originally posted by jgomey on 23 Jan 2013, 16:59.
Last edited by jgomey on 23 Jan 2013, 18:52, edited 1 time in total.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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23 Jan 2013, 18:49
Marcab wrote:
I feel number can play a crucial role and the reason why C is being kicked is that it talks about NEW CONSTRUCTED ZOOS. lets see what others think.

It's a trap-both nasty and deadly, and, perhaps, even downright dirty.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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23 Jan 2013, 20:15
I also chose B, but for a different reason.

My thinking was that most pure aquariums are located in popular tourist destinations outside of metropolitan areas, so most of the visitors are on vacation. However, most of the zoos are in big cities and are thus mostly visited by local residents.

The creators of the question probably meant the other explanation, though, namely that if people can go to a zoo at home, they choose a pure aquarium while on vacation.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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23 Jan 2013, 22:59
VeritasPrepKarishma wrote:
jgomey wrote:

I fell for C. My reasoning was as follows:

Since more aquariums are built, more aquariums exist compared to Zoos. This explains why more people are visiting aquariums. MY REASONING was clearly flawed, because I did not consider the possibility that more Zoos exist overall, despite the new construction.

B is the correct choice. As indicated earlier, less aquariums exist compared to the number of Zoos, so people must travel in order to visit a "Pure Aquarium."

Actually, notice another thing. You don't have to explain why more people are visiting pure aquariums (actually that may not be true. Overall, the number of people visiting pure aquariums might be lesser). You have to explain why visitors to pure aquariums are 50% vacationers (and other 50% are perhaps local people) while visitors to zoos are only 25% vacationers while other 75% are local people. The number of people visiting the pure aquarium and the number visiting the zoo are not an issue at all. The issue is the different demography: vacationers vs locals.
The reasons can be two:
- Vacationers find pure aquariums attractive for some reason (as C explains - its because there are fewer pure aquariums)
- Local people prefer zoo over pure aquarium (probably because their kids want to visit zoos and often)

That makes sense. Thank you for the explanation
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Re: In the United States, vacationers account for more than half  [#permalink]

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30 Jan 2013, 04:12
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One little helpful trick here is to try and figure out an explanation even before you read the options.

Why would there be many more tourists to aquariums than to zoos? maybe because there are more zoos for the locals to visit.

If a family has one aquarium close to home and two zoos it makes sense for them to visit the aquarium one time a year, and each of the two zoos one time. Resulting in a bigger number of locals visiting zoos.

Or another explanation could be that the zoo changes animals more often so it makes more sense for locals to go visit more often.

If you scan the options and find one that s coherent with your train of thoughts (like in this case) then you are in a good spot.
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Re: In the United States, vacationers account for more than half  [#permalink]

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13 Mar 2013, 04:58
Hmmmmmmmmmm ... I still believe that B is out of scope . Can any body clarify more why B in particular ? Thanks in advance
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Re: In the United States, vacationers account for more than half  [#permalink]

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13 Mar 2013, 05:55
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TheNona wrote:
Hmmmmmmmmmm ... I still believe that B is out of scope . Can any body clarify more why B in particular ? Thanks in advance

Hi TheNona,

In the United States, vacationers account for more than half of all visitors to what are technically called “pure aquariums” but for fewer than one quarter of all visitors to zoos, which usually include a “zoo aquarium” of relatively modest scope.

Which of the following, if true, most helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?

(A) In cities that have both a zoo and a pure aquarium, local residents are twice as likely to visit the aquarium as they are to visit the zoo.
(B) Virtually all large metropolitan areas have zoos, whereas only a few large metropolitan areas have pure aquariums.
(C) Over the last ten years, newly constructed pure aquariums have outnumbered newly established zoos by a factor of two to one.
(D) People who visit a zoo in a given year are two times more likely to visit a pure aquarium that year than are people who do not visit a zoo.
(E) The zoo aquariums of zoos that are in the same city as a pure aquarium tend to be smaller than the aquariums of zoos that have no pure aquarium nearby.

The stimulus says that Vacations account of > 50% (lets say 50) of all visitors at "aquariums", this implies that the rest i.e. < 50% (50) are locals. But these same visitors account for < 25% (50) of all visitors ($$\frac{25* 50}{100}$$= 200) at) "Zoos"; this would imply that >75% (200 - 25 = 175) are locals.

If there must be more zoos than pure aquariums, then people from other areas (vacationers) will visit the places which are not available to them in their local areas.

This is a tough question and it could be difficult to answer it correctly under 2 minutes.

Hope this helps,

Vercules
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Re: In the United States, vacationers account for more than half  [#permalink]

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13 Mar 2013, 09:55
Wow !!! really tough !!!! thank you vercules for the explanation
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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08 Jul 2014, 11:47
Hi,

1. explain only one side of the paradox,
2. similarities and differences e.g. when a stem contains a paradox where two items are different and answer choice which explains why two are same, can never be an answer.( Power Score CR Concept)

Here applying rule1,

only B qualifies.
1 paradox: vacationers visit aquariums in large numbers
2 paradox: vacationers visit zoo aquarium in less numbers.

Hope it clarifies.

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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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24 Sep 2014, 09:19
VeritasPrepKarishma wrote:
jgomey wrote:

I fell for C. My reasoning was as follows:

Since more aquariums are built, more aquariums exist compared to Zoos. This explains why more people are visiting aquariums. MY REASONING was clearly flawed, because I did not consider the possibility that more Zoos exist overall, despite the new construction.

B is the correct choice. As indicated earlier, less aquariums exist compared to the number of Zoos, so people must travel in order to visit a "Pure Aquarium."

Actually, notice another thing. You don't have to explain why more people are visiting pure aquariums (actually that may not be true. Overall, the number of people visiting pure aquariums might be lesser). You have to explain why visitors to pure aquariums are 50% vacationers (and other 50% are perhaps local people) while visitors to zoos are only 25% vacationers while other 75% are local people. The number of people visiting the pure aquarium and the number visiting the zoo are not an issue at all. The issue is the different demography: vacationers vs locals.
The reasons can be two:
- Vacationers find pure aquariums attractive for some reason (as C explains - its because there are fewer pure aquariums)
- Local people prefer zoo over pure aquarium (probably because their kids want to visit zoos and often)

Hi Karishma,
I don't understand from your post what you think is the right answer.
Can you elaborate?
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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24 Sep 2014, 12:24
Good question. A lot of traps.

In the USA, Vacationers account for more than half of all visitors to what are technically called "pure aquariums" but for fewer than one quarter of all visitors to zoos, which simply include a "zoo aquarium" of modest scope.

Which of the following, if true, helps to account for the difference described above between visitors to zoos and visitors to pure aquariums?

A. In cities that have both a zoo and a pure aquarium, local residents are twice as likely to visit the aquarium as they are to visit the zoo
Wrong. The argument says "vacationers" in general, NOT just "local residents".

B. Virtually all large metropolitan areas have zoos, whereas only a few metropolitan areas have pure aquariums.
Correct. B mentions the basic rule "DEMAND-SUPPLY". This is very frequently shown on GMAT. If supply is less than demand, definitely the number of vacationers going to pure aquarium must be greater than that of vacationers going to zoo.

C. Over the last 10 years newly constructed pure aquariums have outnumbered newly established zoos by a factor of 2 to 1
Wrong. The greater number of aquarium does not mean the greater number of vacationers. It depends on the "supply-demand" rule.

D. People who visit zoos in a given year are two times more likely to visit a pure aquarium that year than are people who do not visit the zoo.
Wrong. Same error as in A. The argument says "vacationers" in general, NOT just "People who visit zoos". How about people who do NOT visit zoo? D can't explain.

E. The Zoo aquariums of Zoos that are in the same city as a pure aquarium tend to be smaller than the aquariums of zoos that have no pure aquarium nearby.
Wrong. Th size of zoo aquarium does not directly mean the greater/less number of vacationers.

Only B make sense and is correct.

Takeaway: Be aware of the supply-demand logic in GMAT.

Hope my simple explanation helps.
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Re: In the USA, Vacationers account for more than half of all  [#permalink]

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24 Sep 2014, 22:08
ronr34 wrote:
Hi Karishma,
I don't understand from your post what you think is the right answer.
Can you elaborate?

The answer is (B) only. I have a typo in that post. (B) explains that there are fewer pure aquariums, not (C). So answer stays (B). Since there are fewer pure aquariums, vacationers find those attractive since they may not have pure aquariums in their own cities. This explains the higher proportion of vacationers among aquarium visitors.
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Re: In the USA, Vacationers account for more than half of all &nbs [#permalink] 24 Sep 2014, 22:08

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