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MBA anyone?

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MBA anyone? [#permalink] New post 26 Mar 2004, 21:47
Anyone who is planning on a career as an investment banker wants to receive an MBA degree from an Ivy League University (ILU). Phyllis wants an MBA from Dartmouth, which is an Ivy League U. Therefore, Phyllis must be planning on a career as an Investment Banker

Which of the following if true, most strengthen the conclusion os the arguement above?

A) All of those who want an MBA from ILUs are planning careers as investment bankers.

B) Some investment bankers have MBAs from ILUs

C) All investment bankers with MBA degrees attended ILUs

D) Only those planning on careers as investment bankers want MBAs from ILUs

E) Only those from ILUs are fully qualified for careers as investment bankers.
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 [#permalink] New post 27 Mar 2004, 00:45
Answer should be "D".

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 [#permalink] New post 27 Mar 2004, 00:58
yup D is the best..


(but C is also close! any comments on C?) :?:
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 [#permalink] New post 27 Mar 2004, 01:11
hariom wrote:
yup D is the best..


(but C is also close! any comments on C?) :?:


Good query hariom !
The stem says: If one wants a career in Investment banking he/she would like to join ILU.
The opposite is not correct: We cant say:
All those who are in ILU want to pursue Invetment Banking MBA.
So if Phyllis wants an MBA from Dartmouth (ILU) not neccessarily would pursue Invetment Banking and not anything else.

But to strengthen the argument, if i say (D - Only those planning on careers as investment bankers want MBAs from ILUs ) clearly leads to conclusion that "Phyllis must be planning on a career as an Investment Banker "

Whereas, "C" - " All investment bankers with MBA degrees attended ILUs "
still kept a hiatus that All investment bankers with MBA and other MBA too attended ILU and Phyllis can be one of them.

Hope, this elucidates your query.

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 [#permalink] New post 27 Mar 2004, 07:05
Nice analysis Dharmin. D for me too
A) People who want MBA from ILU may be pursuing something else besides a career in IB and Phyllis may be one of those
B) Do all those who want MBA from ILU want to pursue a career as an IB? We can say nothing about it here
C) We cannot prove that Phyllis, who wants an ILU MBA, is planning anything else besides IB
D) Because Phyllis wants an MBA from an ILU, then he MUST be planning a career as an IB
E) qualified or not, who cares?

This was a tough question
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 [#permalink] New post 27 Mar 2004, 07:53
Nice discussion guys. Give it another try. Read the Q, and see what the authors states as given, and how he/she draws the conclusion, which is not valid btw. Make it valid! Phillys wants an MBA from Dartmouth, therefore she wants a career in investment banking. Huh? How is that possible? What is the author trying to say? :panel
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 [#permalink] New post 27 Mar 2004, 08:06
A and D are clearly contenders.

But the explanation given for A is not correct.

if X is a set of people who want to pursue investment career then statement A definines a subset of people under X. If Phillip falls under this catagory of A then he also belongs to X.
There is nothing wrong with A, but D is more strong because D defines even a narrower set.

I say this because consider A : if there are people who want to do MBA from somewhere else then they may or may not pursue career in Invetment Banking. Now does Phillip belog to this set? No
But he belongs to the set of people who want to do MBA from ivy league college.
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 [#permalink] New post 27 Mar 2004, 08:11
Hmmm, in D, what if Phyllis was planning a career in Arts? Then, D would be true and the conclusion would definitely not be strenghtened. I'm seeing this problem from a totally different angle now and A must be true then. It was actually my first choice but I jumped on same bandwagon than Dharmin!
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 [#permalink] New post 27 Mar 2004, 08:14
It has to be D but the explanation is different.

if A then B
if (career in investment Banking) then ( MBA from ivy league )

But Phillip is going for (MBA from ive league) so
can we assume A(career in investment Banking)

Yes only if the statement says (B if and only A) or (A if and only B)

D exactly says that.

Last edited by anandnk on 27 Mar 2004, 08:15, edited 1 time in total.
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 [#permalink] New post 27 Mar 2004, 08:14
anandnk wrote:
if there are people who want to do MBA from somewhere else then they may or may not pursue career in Invetment Banking. Now does Phillip belog to this set? No
But he belongs to the set of people who want to do MBA from ivy league college.

Anandnk, it is given that Phyllis wants an MBA from an ILU and anyone who wants an MBA form an ILU, notwithstanding if they also want an MBA from somewhere else, must want to pursue a career in IB. A must be true
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 [#permalink] New post 27 Mar 2004, 08:19
What we need to prove is if Phyllis wants a career in IB given that he wants to pursue an ILU MBA. As I previously said, what if Phyllis wanted to pursue a career in something else in the first place? D would still be true that only IB wants to pursue ILU MBA and in this case, Phyllis wants to pursue a career in ARTS while wanting an ILU MBA. Both are true without having D strenghtening anything of the original statement.
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 [#permalink] New post 28 Mar 2004, 20:35
Paul wrote:
anandnk wrote:
if there are people who want to do MBA from somewhere else then they may or may not pursue career in Invetment Banking. Now does Phillip belog to this set? No
But he belongs to the set of people who want to do MBA from ivy league college.

Anandnk, it is given that Phyllis wants an MBA from an ILU and anyone who wants an MBA form an ILU, notwithstanding if they also want an MBA from somewhere else, must want to pursue a career in IB. A must be true


Agrument is as follow:

All IBs are MBAs
Phyllis is an MBA
Therefore Phyllis is IB (invetment banking)

This argument as is is invalid. Saying that all whales are mammals, Tony is a mammal, therefore Tony is a whale. Tony might be a chimpanzee. All the first choice, A makes this argument valid:

All IBs are MBAs
P is an MBA
Therefore Phyllis MUST be IB
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 [#permalink] New post 28 Mar 2004, 21:02
lvb9th wrote:
A makes this argument valid:



IMO, A and D are saying the samething. I don't see any difference between
these two. What is the official explantion to refute answer choice D.
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 [#permalink] New post 29 Mar 2004, 03:56
Paul wrote:
Hmmm, in D, what if Phyllis was planning a career in Arts? Then, D would be true and the conclusion would definitely not be strenghtened. I'm seeing this problem from a totally different angle now and A must be true then. It was actually my first choice but I jumped on same bandwagon than Dharmin!


Paul, Still "D" has some value in it. "ONLY THOSE planning on careers as investment bankers want MBAs from ILUs" Clearly reveals Phllis wants MBA- IB.
Paul, i am really not able to see how "D" would be correct if Phyllis wants a career in arts ? May be i need some break from GMAT Prep to get myself reenerzise. :lol:

I do agree with KPADMA, please post the rationale to refute choice "D".
It was indeed nice discussion, pals.

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 [#permalink] New post 29 Mar 2004, 08:17
Dharmin wrote:
Paul wrote:
Hmmm, in D, what if Phyllis was planning a career in Arts? Then, D would be true and the conclusion would definitely not be strenghtened. I'm seeing this problem from a totally different angle now and A must be true then. It was actually my first choice but I jumped on same bandwagon than Dharmin!


Paul, Still "D" has some value in it. "ONLY THOSE planning on careers as investment bankers want MBAs from ILUs" Clearly reveals Phllis wants MBA- IB.
Paul, i am really not able to see how "D" would be correct if Phyllis wants a career in arts ? May be i need some break from GMAT Prep to get myself reenerzise. :lol:

I do agree with KPADMA, please post the rationale to refute choice "D".
It was indeed nice discussion, pals.

Dharmin

We have to discern between what is given and what is to be proven.

What is given as fact from the statement is (could also be seen as a constant): Phyllis wants an MBA from Dartmouth, an ILU
What is to be proven (could also be seen as a variable): He must be planning a career as an IB

Therefore, what is given(constant) cannot be modified but what is to be proven(variable) can. Let's play with the variable.
Scenario1: If Phyllis wanted a career in Arts, he could still be possible that he wants an ILU MBA. Hence, the argument is weakened because he wants an MBA from an ILU but yet, he is planning a career in arts.
Scenario2: If Phyllis wanted a career in IB and wants an ILU MBA, then the argument IS strenghtened. We can ascertain that because he wants to go to an ILU, then he is planning a career in IB.

Thus, D could or could not strenghten the argument depending on what value we set for the variable component. In both cases, the 2 given scenarios are totally valid.
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  [#permalink] 29 Mar 2004, 08:17
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