数学207题（整理讨论稿的童鞋帮忙看下）

wwc008love · 发表于 2012-3-11 00:17:02

第二百零七题

有个candidate说选民投票%%%的题好像是OG 12原题吧，就是数学里面DS的第124题，不过本来是充分性，后来被改成了定量。但是数据好像没有变，记不得了。

	Favorable	unfavorable	Not sure
Candidate M	40	20	40
Candidate N	30	35	35

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?

(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

wwc008love · 发表于 2012-3-11 10:26:55

顶。。。求添加

[考古] 数学207题（整理讨论稿的童鞋帮忙看下）

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