图表如下：
Favorable Unfavorable Not Sure
Candidate M 40 20 40
Candidate N 30 35 35
题目 ：
The table above shows the results of a survey of 100 voters who each responded “Favorable” or “unfavorable”or “not sure” when asked about their impressions of Candidate M and of Candidate N.
What was the number of voters who responded “favorable” forboth candidates? 如果数据没变，应该是10人
(1)The number of voters who did not respond “favorable” for either candidate was 40
(2)The number of voters who responded “unfavorable” for both candidates was 10作者: WALLMAGE 时间: 2012-4-7 21:16
A......?作者: liulu007 时间: 2012-4-8 06:34
这题就是选A的。有条件一可得出 respond “favorable” for either candidate or candidate was 60, then on the favorable condition M(40)+N(30)-M&N(60)=MN=10.
而，单独由条件二无法得出结果~作者: mba2013 时间: 2012-4-9 06:28
