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CR - statistics problem

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Director
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CR - statistics problem [#permalink] New post 29 Dec 2005, 04:52
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
Please give reasons for your choice.
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Manager
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 [#permalink] New post 29 Dec 2005, 14:41
My choice is D.

Basically the two statistics given are different ways of slicing the same pie i.e taxable income from foreigh sources (lets call it X). One statistics says that 57% of X comes from 38 companies with net income > 100 million whereas the other one says that 60% of X comes from 200 returns which report income from > 10 countries. So from these two statements it must be true that some companies with revenue of > 100 million must have operations in > 10 countries which is what D conveys.

Allabout, can you provide the OA and OE when you get a chance. I want to make sure my logic is right (I am pretty bad at these % CR problems...trying to improve)
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 [#permalink] New post 30 Dec 2005, 04:19
OA is E, I've no OE

Let's try it together. I' ve made it wrong too. I think the key is to organise the sentences otherwise, so as to bring structure into the given information.

We know that 38 corp. account for 53% of tax. income from foreign sources.

The 200 corp., who together account for 60% of the tax. income, report income from more than 10 countries.
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 [#permalink] New post 30 Dec 2005, 04:36
hmmm....I thought through E and I decided against it. Here is my reasoning - 200 returns reporting income from > 10 countries constitute 60% of X. So there is another 40% whose income is from <= 10 countries. Now parallely companies with income > 100 million account for 53% of X. So another 43% of X is by companies with income < 100 million. So from these two you only conlcude that some of the first category is in the second (as D says) and not most of second is in first (as E says). Maybe I am missing something here...
Director
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 [#permalink] New post 30 Dec 2005, 04:51
The question is from practice material of vstudy (http://www.vstudy.co.kr)

I don't get it either. E can be true, but it has not to be. Maybe someone else gets it.
  [#permalink] 30 Dec 2005, 04:51
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