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# In response to mounting pubic concern, an airplane

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In response to mounting pubic concern, an airplane [#permalink]  20 Sep 2005, 10:31
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In response to mounting pubic concern, an airplane manufacturer implemented a program with the well-publicized goal of reducing by half the total yearly amount of hazardous waste generated by its passenger-jet division. When the program began in 1994, the divisionâ€™s hazardous waste output was 90 pounds per production worker; last year it was 40 pounds per production worker. Clearly, therefore, charges that the manufacturerâ€™s
program has not met its goal are false.

Which of the following is an assumption on which the argument depends?

A. The amount of nonhazardous waste generated each year by the passenger-jet division has not increased significantly since 1994.

B. At least as many passenger jets were produced by the division last year as had been produced in 1994.

C. Since 1994, other divisions in the company have achieved reductions in hazardous waste output that are at least equal to that achieved in the passenger-jet division.

D. The average number of weekly hours per production worker in the passenger-jet division was not significantly greater last year than it was in 1994.

E. The number of production workers assigned to the passenger-jet division was not significantly less in 1994 than it was last year.

OA to be posted.
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A. The amount of nonhazardous waste generated each year by the passenger-jet division has not increased significantly since 1994.

If this was true, then the goal wasn't meant.

B. At least as many passenger jets were produced by the division last year as had been produced in 1994.

Scope. More jets/less jets...what is the total number of jets now and how does it affect the total waste ?

C. Since 1994, other divisions in the company have achieved reductions in hazardous waste output that are at least equal to that achieved in the passenger-jet division.

Scope..so what if other divisions have achieved this ?

D. The average number of weekly hours per production worker in the passenger-jet division was not significantly greater last year than it was in 1994.

Tempting..the question to ask it that if this is indeed an assumption..if we negate this..does this break down the argument ? It doesn't..the workers may work the same number of hours or more...what matters is the waste that they produce and the total number of workers.

E. The number of production workers assigned to the passenger-jet division was not significantly less in 1994 than it was last year.

Bingo..for the total waste to go down ( given as waste per production hour ), the number of workers have to remain the same. Otherwise, the conclusion that the goal was indeed met would be false.
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IMO E,

It is stupid to connect hazardous waste produced by Jets to number of people in the company..all you have to do is add more people to bring the percapita waste down...
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E here as well. Same reasoning as ranga41
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Clearly E
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Re: CR - Public concern [#permalink]  20 Sep 2005, 15:48
Go with E.

per the argument, the pounds "per production worked" decreased from 90 to 40. If the number of workers did not change, the decrease is good...but what is the number of workers inceased? Therefore E is the assumption.

nakib77 wrote:
In response to mounting pubic concern, an airplane manufacturer implemented a program with the well-publicized goal of reducing by half the total yearly amount of hazardous waste generated by its passenger-jet division. When the program began in 1994, the divisionâ€™s hazardous waste output was 90 pounds per production worker; last year it was 40 pounds per production worker. Clearly, therefore, charges that the manufacturerâ€™s
program has not met its goal are false.

Which of the following is an assumption on which the argument depends?

A. The amount of nonhazardous waste generated each year by the passenger-jet division has not increased significantly since 1994.

B. At least as many passenger jets were produced by the division last year as had been produced in 1994.

C. Since 1994, other divisions in the company have achieved reductions in hazardous waste output that are at least equal to that achieved in the passenger-jet division.

D. The average number of weekly hours per production worker in the passenger-jet division was not significantly greater last year than it was in 1994.

E. The number of production workers assigned to the passenger-jet division was not significantly less in 1994 than it was last year.

OA to be posted.
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Isn't E so obvious. I picked E as well.

But to my surprise OA is B. Can anyone explain that.
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OA sounds BS to me...

you can always reason out any answer, As per B, If the company produces less jets obviously the hazardous waste produced by the company will go down and consequently the percapita waste will also go down, provided the no of people do not decrease.

Choice E talks about the number of people increasing, in which case also the percapita waste will go down, provided the number of jets manufactured does not increase considerably, This argumen IMO is more apt because the argument talks about waste per worker...
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ranga41 wrote:
OA sounds BS to me...

you can always reason out any answer, As per B, If the company produces less jets obviously the hazardous waste produced by the company will go down and consequently the percapita waste will also go down, provided the no of people do not decrease.

Choice E talks about the number of people increasing, in which case also the percapita waste will go down, provided the number of jets manufactured does not increase considerably, This argumen IMO is more apt because the argument talks about waste per worker...

Can't agree with you more...... this OA really pissed me off
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yes (E).
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Oh I just love it when we guys are right and the OA is wrong!!
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rahulraao wrote:
Oh I just love it when we guys are right and the OA is wrong!!

Share the same feeling, Rahul!!!
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Re: CR - Public concern [#permalink]  19 Nov 2008, 16:50
Any takers on this?
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Re: CR - Public concern [#permalink]  19 Nov 2008, 17:19
wow! there must be some thing wrong with me. I picked B

Here is what I did.

Goal is to reduce by half the total yearly amount of hazardous waste generated by its passenger-jet division

1994 HW = 90lb per worker

2004 HW = 40 lb per worker
$$HW per worker = total wastage / # of W's$$
$$Total wastage = wastage per flight X number of flights or sum of all wastages from each flight$$

Now looking at the conclusion charges that the manufacturerâ€™s program has not met its goal are false.

HW pw can go down to 40 if the number of PW's is significantly less in 1994 compared to 04. denominator increased

Also HW pw can go down to 40 if the number of flight's is less in 2004 compared to 2004.
numerator decreased

Both B and E fit the assumption and I ended up choosing B as soon as I found it optimal. goal was about the reduction in HW and if the goals are really met then the waste should have gone down by the waste going down and not by increasing the number of workers. But I can see why any one can pick E. Slippery slope!
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Re: CR - Public concern [#permalink]  19 Nov 2008, 19:05
If this is a Kaplan question, I'll be seriously pissed off -- the OA is nonsense. The correct answer has to be E, without any doubt whatsoever. The conclusion is that the manufacturer reduced the TOTAL yearly output of hazardous waste from its passenger jet division by half. The evidence is that its output of hazardous waste PER PRODUCTION WORKER was 90 pounds in 1994, but was 40 pounds last year.

Because the conclusion is about total waste and the evidence is about waste per worker, it is blatantly obvious that the argument depends on the number of workers NOT having increased significantly from 1994 to last year. This is E.

The number of jets produced (choice B) is completely irrelevant, because we have no information at all about the amount of waste per jet. We don't even have any information about number of workers per jet produced, so we can't relate (B) to the evidence that way either. Flights are even more irrelevant: Flights relate to what the airplane does after it LEAVES the manufacturer and goes into service with an airline. That has nothing to do with the argument at all.

What's the source of the question?
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Re: CR - Public concern [#permalink]  19 Nov 2008, 22:35
Agree that it should be E though "significantly" is little ambigious.

B is more ambigious.
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Re: CR - Public concern [#permalink]  19 Dec 2008, 11:17
clearly E.
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Re: CR - Public concern [#permalink]  01 Jan 2009, 03:27
E
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Re: CR - Public concern [#permalink]  02 Jan 2009, 07:20
Even i hv opted for B ...same logic as well explained by icandy ..
E is also very close contendor the right choice ..
Sad part is that still not able to strike of E with rock solid logic ...
Verbal gurus ... help pls !!
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Re: In response to mounting pubic concern, an airplane [#permalink]  12 Nov 2014, 20:01
Hello from the GMAT Club VerbalBot!

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Re: In response to mounting pubic concern, an airplane   [#permalink] 12 Nov 2014, 20:01

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