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# Candidate M : Favorable : 40 / Unfavorable : 20 / Not Sure :

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Manager
Joined: 15 Jul 2008
Posts: 52
Candidate M : Favorable : 40 / Unfavorable : 20 / Not Sure : [#permalink]

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31 Jul 2008, 07:21
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Candidate M : Favorable : 40 / Unfavorable : 20 / Not Sure : 40
Candidate N : Favorable : 30 / Unfavorable : 35 / Not Sure : 35
The table above shows the results of a survey of 100 voters each responded " favorable" or "unfavorable" or "notsure"
when asked about their impressions of candidate M and of candidate N. What was the number of voters who responded "favorable" for both candidates?
(1) The number of voters who did not respond "favorable" for either candidates was 40.
(2) The number of voters who responded "unfavorable" for both candidates was 10.
Director
Joined: 23 Sep 2007
Posts: 782

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31 Jul 2008, 07:37
A

60 people responded favorable to at least 1 candidate.

30 + 40 - Both = 60
both = 10

statement 2 is insuff because the remaining population is a mix of undecided and favorable.
Re: DS: candidates   [#permalink] 31 Jul 2008, 07:37
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# Candidate M : Favorable : 40 / Unfavorable : 20 / Not Sure :

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