求NN指教jj一题~

evelyn205205

一个company有teaching,researching,analysing3个project，researching 54%, analysing 46%， teaching30%, 问有多少percent的人至少参加2个project?

1) half of the teaching people at least participate in one of the researching and analysing project.
2) 20% of the analysing people also in researching.

这个有至少的问题，怎么求呢？
是不是C啊？

cynthia23

一个company有teaching,researching,analysing3个project，researching 54%, analysing 46%， teaching30%, 问有多少percent的人至少参加2个project?

1) half of the teaching people at least participate in one of the researching and analysing project.
2) 20% of the analysing people also in researching.

这个有至少的问题，怎么求呢？
是不是C啊？

-- by 会员 evelyn205205 (2011/8/7 15:18:02)

选C的，这是我考到的题，画韦恩图就知道了，两个条件加起来刚好是至少选了2个project的人数百分比

evelyn205205

一个company有teaching,researching,analysing3个project，researching 54%, analysing 46%， teaching30%, 问有多少percent的人至少参加2个project?

1) half of the teaching people at least participate in one of the researching and analysing project.
2) 20% of the analysing people also in researching.

这个有至少的问题，怎么求呢？
是不是C啊？

-- by 会员 evelyn205205 (2011/8/7 15:18:02)

选C的，这是我考到的题，画韦恩图就知道了，两个条件加起来刚好是至少选了2个project的人数百分比

-- by 会员 cynthia23 (2011/8/7 15:23:37)

呵呵，是你，前面正好在看你的寂静~谢谢啊~

cynthia23

一个company有teaching,researching,analysing3个project，researching 54%, analysing 46%， teaching30%, 问有多少percent的人至少参加2个project?

1) half of the teaching people at least participate in one of the researching and analysing project.
2) 20% of the analysing people also in researching.

这个有至少的问题，怎么求呢？
是不是C啊？

-- by 会员 evelyn205205 (2011/8/7 15:18:02)

选C的，这是我考到的题，画韦恩图就知道了，两个条件加起来刚好是至少选了2个project的人数百分比

-- by 会员 cynthia23 (2011/8/7 15:23:37)

呵呵，是你，前面正好在看你的寂静~谢谢啊~

-- by 会员 evelyn205205 (2011/8/7 15:28:16)

不客气，加油啊