OG 12 129 Help

Expert replies

EMAN: Master | Next Rank: 500 Posts; Posts: 162; Joined: Sun Aug 09, 2009 4:17 pm; Location: Minnesota; Thanked: 1 times

by EMAN » Sun Nov 22, 2009 12:54 pm

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

Like this post

Source: Beat The GMAT — Data Sufficiency | Sun Nov 22, 2009 12:54 pm

adam15: Senior | Next Rank: 100 Posts; Posts: 70; Joined: Mon May 12, 2008 12:26 pm; Thanked: 3 times

by adam15 » Sun Nov 22, 2009 3:00 pm

take a multiple of 4 and 5: 20,
1
25% of the project is 5 have 4 or more employees, assume that the 75% of the remain project have less than 4, or equal number of 5 or 6 any number.
so you know that the median will lie within the remain 75%.but it could be any {1,2,3}number insufficient.
2
35% of the project have fewer than 2.so 65% remaining are more than 2. insufficient.

combining 1&2
the upper 25% of the project have more than 4, and the lower 35% have fewer than 2. the remaining 40% between 25% and 35% must be 3 employee then sufficient.
please provide solution
thanks for any suggestions

Like this post

Post new topic Post Reply

• Page 1 of 1

GMAT Course Reviews

560 reviews

1168 reviews

431 reviews

359 reviews

147 reviews

5/5

5 Star (560 Reviews)

"Target Test Prep is the closest to the official version of the GMAT exam, about 99% accuracy in terms of the quality and quantity of information. The course has excellently created singular sets of focused lessons and tests for every possible topic that one could come across in the official GMAT exam."

"The TTP course maximizes the efficiency of the time you spend studying. It will take time and effort but I could almost guarantee that if you complete the course exactly as it is laid out you will get an amazing score. They also have a very responsive team willing to help with any questions you might have."

"TTP has two things that I think no other test prep company offers: A teaching approach that reinforces understanding and an attitude that will give you the mental preparedness needed to succeed on the test. TTP gives you a deep understanding of the concept you need to know while teaching you how to think."

Write a Review