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People who have spent a lot of time in contact with animals

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 06 Jun 2015, 21:25
Source : GMATPrep Mock 3

People who have spent a lot of time in contact with animals often develop animal-induced allergies, some of them quite serious. In a survey of current employees in major zoos, about 30 percent had animal-induced allergies. Based on this sample, experts conclude that among members of the general population who have spent a similarly large amount of time in close contact with animals, the percentage with animal-induced allergies is not 30 percent but substantially more.

Which of the following, if true, provides the strongest grounds for the experts’ conclusion?

A. A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.
-> Correct as this would stop the increase of percentages of animal induced allergies to develop so we can conclude if member of general population, if he or she spends more time with animal, will have more than 30% of animal induced allergies.

B. A zoo employee is more likely than a person in the general population to keep one or more animal pets at home
This option suggests that the members of the general population would have less than 30% if 30% of zoo officials have animal induced allergies.

C. The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small.
This option doesn't add any value to suggest that member of general population will have more than 30% of animal induced allergies.

D. Exposure to domestic pets is, on the whole, less likely to cause animal induced allergy than exposure to many of the animals kept in zoos.
Weakens the argument

E. Zoo employees seldom wear protective gear when they handle animals in their care.
As per this option, the zoo officials would have more animal induced allergies.
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People who have spent a lot of time in contact with animals [#permalink]

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New post 30 Oct 2015, 22:11
A. A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.
Strengthens . Zoo employees with serious animal- induced allergy leave the job . Hence , aren't included in the 30 percent.
B. A zoo employee is more likely than a person in the general population to keep one or more animal pets at home
Slight weakner , we can conclude that zoo employees are exposed to animals for a major part of the day.
C. The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small.
Weakner
D. Exposure to domestic pets is, on the whole, less likely to cause animal induced allergy than exposure to many of the animals kept in zoos.
Weakens
E. Zoo employees seldom wear protective gear when they handle animals in their care.
Weakens . If the statement was that zoo employees always wear protective gear , then it could have worked as a strengthener .

Answer A
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Re: People who have spent a lot of time in contact with animals [#permalink]

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 26 Sep 2016, 09:42
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A vs E for me.

I would say A is too much of a stretch because we do not know what the existing percentage of general population who have animal induced allergies is. So saying allergy induced zookeepers find a different profession (thereby becoming a part of the general population) will reduce the percentage of zookeepers with animal induced allergy and increase the percentage of general population with animal induced allergies. But still, we do not know the statistics about the population - what is the population of the zookeepers, what is the strength of the general population - with which we can judge whether the percentage is greater than x (here, 30) or less than it.

But E on the other hand says the zookeepers seldom wear protective equipment. This means the choice is trying to say that (at least) one of the causes of animal induced allergies is handling animals without wearing protective equipment. 'Seldom' means there are times when the zookeepers wear the protective equipment. Given this scenario, the percentage of zookeepers with animal induced allergy is 30%. It is a universal fact (for all practical purposes) that people (general population) who have domesticated pets or interact with stray animals do not wear protective equipment; as opposed to zookeepers wearing it 'seldom'. This naturally increases the possibilities of animal induced allergies in the general population to greater than the percentage in zookeepers who wear protective equipment 'sometimes'. So most probably greater than 30%.

So E.

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 06 Dec 2016, 12:54
Difficult question.

To me the key was to realize that we are comparing A:current employees in major zoos to B:members of the general population who have spent a similarly large amount of time in close contact with animals.

If we were to compare current employees in major zoos with members of the general population, then of course A wouldn't be true as there is no reason why would greater percentage of general population develop animal-induced allergies. But we are interested only in that part of general population which has the same exposure to animals as do workers in zoo. So if two samples are the same and there is only one factor affecting them (exposure to animals) then the percentage of people with allergies should be about the same unless there are other factors at play. And first answer certainly makes members of group B more likely to have an allergy.

Therefore A.

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People who have spent a lot of time in contact with animals [#permalink]

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New post 14 Dec 2016, 19:52
I chose E

I originally chose A but disregarded because I felt the assumption that switching to another occupation involving people was a stretch. A different occupation could involve a plethora of jobs that allows one to be by themself.

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New post 01 Mar 2017, 02:50
A. A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.( RIGHT ANSWER : A zoo employee who switches to other occupation becomes a member of the general population who has spent large amount of time with animals but he still retains his animal induced allergy thereby increasing the %age of the people with the allergy in the general population)
B. A zoo employee is more likely than a person in the general population to keep one or more animal pets at home( Wrong Answer : This option is irrelevant to the argument at hand.)
C. The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small.( Wrong Answer : But the argument is concerned with the %age of the people of the general population who have spent a similarly large amount of time in close contact.)
D. Exposure to domestic pets is, on the whole, less likely to cause animal induced allergy than exposure to many of the animals kept in zoos.( Wrong Answer : This option is irrelevant to the argument )
E. Zoo employees seldom wear protective gear when they handle animals in their care.( Wrong Answer : This option is irrelevant to the argument.)

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 03 Apr 2017, 02:20
Vidhi1 wrote:
Isn't C stating the fact mentioned in the argument? The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small. That means the percentage of general population who has severe allergies is greater than the zoo population. Which supports the claim made by the author.
Can you please elaborate why A is right?


Premise : People who have spent a lot of time in contact with animals often develop animal-induced allergies, some of them quite serious. In a survey of current employees in major zoos, about 30 percent had animal-induced allergies.

Conclusion of Experts : Based on this sample, experts conclude that among members of the general population who have spent a similarly large amount of time in close contact with animals, the percentage with animal-induced allergies is not 30 percent but substantially more.

A. A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.
This option confirms that general people infected with allergy is more than zoo employee .

C. The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small.
Opposite of what mentioned in passage , please refer higlighted text in experts conclusion
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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 03 Apr 2017, 10:33
People who have spent a lot of time in contact with animals often develop animal-induced allergies, some of them quite serious. In a survey of current employees in major zoos, about 30 percent had animal-induced allergies. Based on this sample, experts conclude that among members of the general population who have spent a similarly large amount of time in close contact with animals, the percentage with animal-induced allergies is not 30 percent but substantially more.
Which of the following, if true, provides the strongest grounds for the experts’ conclusion?

A. A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.
B. A zoo employee is more likely than a person in the general population to keep one or more animal pets at home
C. The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small.
D. Exposure to domestic pets is, on the whole, less likely to cause animal induced allergy than exposure to many of the animals kept in zoos.
E. Zoo employees seldom wear protective gear when they handle animals in their care.

The expert concluded that the percentage of people contracting animal induced allergies is greateer than that observed in the survey because the employees who develop serious allergies tend to swith profession and thus the people with allergies left to fill the questioner remain lesser than actual.Option A is Correct. ,pet animals and protective gear and sample space is out of scope here.

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People who have spent a lot of time in contact with animals [#permalink]

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New post 27 May 2017, 09:39
Hello,
I would like to ask about option C: "The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small."

Can't this imply that the percentage of the general population whose level of exposure to animals is higher than that of a zoo employee could be high?

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 29 May 2017, 04:18
even after reading other's reasoning for E, still not convinced how option E is wrong? Please explain

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 02 Jun 2017, 13:57
r19 wrote:
even after reading other's reasoning for E, still not convinced how option E is wrong? Please explain

Quote:
E. Zoo employees seldom wear protective gear when they handle animals in their care.

The experts' conclusion is "that among members of the general population who have spent a similarly large amount of time in close contact with animals, the percentage with animal-induced allergies is not 30 percent but substantially more". Choice (E) certainly tells us that zoo employees are exposed to the animals in their care and thus susceptible to developing allergies, but it does not give us any reason to conclude that among members of the general population who have spent a similarly large amount of time in close contact with animals, the percentage with animal-induced allergies is substantially more than 30%. Choice (E) simply gives us one reason why zoo employees might develop animal-induced allergies.

Quote:
A. A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.

Choice (A), on the other hand, implies that the percentage of zoo employees with animal-induced allergies would be higher if those employees who developed serious animal-induced allergies were likely to continue working as zoo employees rather than switching occupations, supporting the experts' conclusion.
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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 03 Jun 2017, 08:05
IMO A
A gives us the reason why the population of the infected people is greater than 30%.
E is out of scope
B does not affect argument at all.
C is also out of scope
D is also does not help
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New post 05 Jul 2017, 06:05
How E is weakening the argument..??

I choose E because, it is given in E, Zoo employees don't wear the protective gear.Similarly, general public also don't use protective gear while handling the animals in their care.So the luxury of using protective gear with zoo employees is clearly omiited.

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 06 Jul 2017, 07:47
Merged topics. Please, search before posting questions!
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New post 30 Jul 2017, 23:04
why we are not considering zoo experts inside the general population :( ?

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 13 Oct 2017, 12:05
mymba99 wrote:
People who have spent a lot of time in contact with animals often develop animal-induced allergies, some of them quite serious. In a survey of current employees in major zoos, about 30 percent had animal-induced allergies. Based on this sample, experts conclude that among members of the general population who have spent a similarly large amount of time in close contact with animals, the percentage with animal-induced allergies is not 30 percent but substantially more.

Which of the following, if true, provides the strongest grounds for the experts’ conclusion?

A. A zoo employee who develops a serious animal-induced allergy is very likely to switch to some other occupation.
B. A zoo employee is more likely than a person in the general population to keep one or more animal pets at home weakens conclusion
C. The percentage of the general population whose level of exposure to animals matches that of a zoo employee is quite small.
D. Exposure to domestic pets is, on the whole, less likely to cause animal induced allergy than exposure to many of the animals kept in zoos. weakens conclusion
E. Zoo employees seldom wear protective gear when they handle animals in their care.
weakens conclusion

A is basically saying that because a zoo employee switches occupations when they become infected the general population of people who are not zoo workers would but infected would naturally become larger - the general population is increasing because infected zoo workers are leaving and the zoo worker population is shrinking

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Re: People who have spent a lot of time in contact with animals [#permalink]

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New post 04 Dec 2017, 22:57
Imo, this is not a very good question primarily because of the answer choices.

A wins because all the others are either irrelevant, or blatantly weaken the conclusion.

The conclusion states that the % of people with animal induced allergies is substantially more.

A states that zoo keepers who have developed allergies often switch professions. This means that in addition to the 30% of the general population suffering from allergies, we need to add the number of zookeepers too, which obviously increases that percentage. But by how much?

It depends on the sample size. But when considering a general population, its typical to run into the thousands if not hundreds of thousands. Adding a few sick zookeepers into the mix is going to increase the % from 30, sure, but significantly so? Doesn't seem right.

But at the end, through PoE, A is the best of the worst.

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Re: People who have spent a lot of time in contact with animals   [#permalink] 04 Dec 2017, 22:57

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