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The president of a consulting firm analyzed the decisions

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The president of a consulting firm analyzed the decisions [#permalink]

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New post 06 Jun 2009, 06:49
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A
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D
E

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The president of a consulting firm analyzed the decisions made about marketing by her clients and concluded that the decisions were correct only about half of the time.
The conclusion above depends on the presupposition that
(A) companies can be successful even when about half of the decisions they make about marketing prove to be wrong
(B) companies hiring her consulting firm make no more incorrect marketing decisions than do companies in general
(C) executives consistently making correct marketing decisions rarely enlist the aid of a consulting firm
(D) marketing decision are just as likely to be correct as they are to be incorrect
(E) it is possible to classify a marketing decision properly as being either right or wrong

Ans: E
Why ? Pls explain someone.

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Re: Classical Trap: Analyzed Decision [#permalink]

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New post 06 Jun 2009, 06:53
E for me.

Negate E and you will find the President's conclusion will not hold.



apramanik wrote:
The president of a consulting firm analyzed the decisions made about marketing by her clients and concluded that the decisions were correct only about half of the time.
The conclusion above depends on the presupposition that
(A) companies can be successful even when about half of the decisions they make about marketing prove to be wrong
(B) companies hiring her consulting firm make no more incorrect marketing decisions than do companies in general
(C) executives consistently making correct marketing decisions rarely enlist the aid of a consulting firm
(D) marketing decision are just as likely to be correct as they are to be incorrect
(E) it is possible to classify a marketing decision properly as being either right or wrong

Ans: E
Why ? Pls explain someone.

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Re: Classical Trap: Analyzed Decision [#permalink]

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New post 06 Jun 2009, 06:55
apramanik wrote:
The president of a consulting firm analyzed the decisions made about marketing by her clients and concluded that the decisions were correct only about half of the time.
The conclusion above depends on the presupposition that
(A) companies can be successful even when about half of the decisions they make about marketing prove to be wrong
(B) companies hiring her consulting firm make no more incorrect marketing decisions than do companies in general
(C) executives consistently making correct marketing decisions rarely enlist the aid of a consulting firm
(D) marketing decision are just as likely to be correct as they are to be incorrect
(E) it is possible to classify a marketing decision properly as being either right or wrong

Ans: E
Why ? Pls explain someone.



One of the best strategies for tackling CR questions is prefacing the answer, or trying to come up with it before looking at the answer choices. After reading the stimulus, you would think that it must be true that the decisions can either be correct or incorrect, otherwise how could the president conclude that the decisions were correct? Scanning the answer choices then reveals that E is the answer.

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Re: Classical Trap: Analyzed Decision [#permalink]

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New post 06 Jun 2009, 08:31
What about D and why D is wrong choice ?
If decisions were correct half of the time then we say that half of the time decisions were incorrect
That means " Marketing decisions are just as likely to be correct as they are to be incorrect."
Pls clear my confusion.

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Re: Classical Trap: Analyzed Decision [#permalink]

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New post 06 Jun 2009, 10:29
E is the best answer. Applying Denial test on option E shatters the argument.

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Re: Classical Trap: Analyzed Decision [#permalink]

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New post 06 Jun 2009, 10:44
apramanik wrote:
What about D and why D is wrong choice ?
If decisions were correct half of the time then we say that half of the time decisions were incorrect
That means " Marketing decisions are just as likely to be correct as they are to be incorrect."
Pls clear my confusion.


Welcome to GMATClub Apramanik!

D is the conclusion, not Assumption. It merely re-states the conclusion that "decisions were correct only about half of the time"

If D were the assumption (marketing decision are just as likely to be correct as they are to be incorrect), then the argument would have to be "The president of the consulting firm told her clients not to spend much time on making marketing decisions but instead focus their time on client acquisition." (assuming that they are just as likely to make the right decision as they are to make the wrong one)

One rule about assumptions is that they are never stated in the argument. D was a rephrase - classic trap.

To practice identifying assumptions - read newspapers/books/articles/gmat questions and ask yourself what the assumption is. As already mentioned two good ways of figuring it out are - answering the question before you read answer choices (best) and if that does not help (about 30% of cases - then use the denial test).
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Re: Classical Trap: Analyzed Decision [#permalink]

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New post 06 Jun 2009, 13:19
Thanks "bb" for your help. Now i am clear that what was my problem.
In fact Gmat Club is best for this reason.

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Re: Classical Trap: Analyzed Decision [#permalink]

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New post 06 Jun 2009, 14:06
apramanik wrote:
Thanks "bb" for your help. Now i am clear that what was my problem.
In fact Gmat Club is best for this reason.



:wink: Thanks - we try
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Re: Classical Trap: Analyzed Decision [#permalink]

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New post 06 Jun 2009, 21:33
definitely E. (1.9)
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Re: Classical Trap: Analyzed Decision   [#permalink] 06 Jun 2009, 21:33
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