Data Sufficiency

试题详情

题目:

What is the median number of employees assigned per project for the projects at Company Z?
(1)   25 percent of the projects at Company Z have 4 or more employees assigned to each project.
(2) 35 percent of the projects at Company Z have 2 or fewer employees assigned to each project.

选项:

答案:

C

提问:

以下理解是否正确: 假设项目总数为P,员工总数为N, 问题是求N/P的中位数。 条件1)N/(25%*P)>=4 ,简化为N/P>=1 条件2)N/(0.35%*P)<=2 简化为N/P<=0.7 但条件1)和2)合在一起不能得到N/P的范围,得不出结果啊,选了E。错误在哪里呢?
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提问:

有好几个人问过,但是没有解答
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