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rxs0005
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A poll with N people were interviewed. If 1/4 of them 04 Jul 2005, 09:18
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A poll with N people were interviewed. If 1/4 of them answered "YES" to Q1 and of those 1/3 answered "YES" to Q2 in terms of N what is the number of people who were interviewed who did not answer "YES" to both the questions.

P.N.

My analysis is whether its 1/3 of N/4 OR is it N/ 3 istself in either way i cannot seem get the ans.



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A poll with N people were interviewed. If 1/4 of them 04 Jul 2005, 10:22
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I got 5/3N

1/4N ans yes to Q1, thus 3/4N ans no to Q1

1/3(1/4N) ans yes to Q1, thus 11/12N ans no to Q2

3/4N + 11/12N = 5/3N
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A poll with N people were interviewed. If 1/4 of them 04 Jul 2005, 13:31
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rxs0005
A poll with N people were interviewed. If 1/4 of them answered "YES" to Q1 and of those 1/3 answered "YES" to Q2 in terms of N what is the number of people who were interviewed who did not answer "YES" to both the questions.

P.N.

My analysis is whether its 1/3 of N/4 OR is it N/ 3 istself in either way i cannot seem get the ans.
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1/12(N) answer Q1 as well as Q2. 1-1/12=number of ppl who answer Q1 or Q2.
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A poll with N people were interviewed. If 1/4 of them 04 Jul 2005, 14:02
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the OA is 11N/12

Can either of you explain how its got I still dont get it

I know the indivdual total for every Q has to be N in essence there are 2N replies totally.
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A poll with N people were interviewed. If 1/4 of them 04 Jul 2005, 14:26
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rxs0005
the OA is 11N/12

Can either of you explain how its got I still dont get it

I know the indivdual total for every Q has to be N in essence there are 2N replies totally.
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1/3*1/4=1/12. so 1/12 answer "yes" to both questions and 11/12 do not answer "yes" to both questions. draw a venn diagram. the intersection contains 1/12.
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A poll with N people were interviewed. If 1/4 of them 04 Jul 2005, 20:02
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rxs0005
the OA is 11N/12

Can either of you explain how its got I still dont get it

I know the indivdual total for every Q has to be N in essence there are 2N replies totally.
Show more


3N/4 could not say YES to Q1.
Of the remaining N/4 , 2/3*N/4 could not say YES for Q2.(typo Q1 earlier)

Hence the total would could not say YES to either Q1 or Q2 is
3N/4 + N/6 = 11N/12.

HMTG.



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
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Thank you for understanding, and happy exploring!