If 2 different representatives are to be selected at random : DS Archive
Check GMAT Club App Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 07 Dec 2016, 18:41

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# If 2 different representatives are to be selected at random

Author Message
SVP
Joined: 28 May 2005
Posts: 1723
Location: Dhaka
Followers: 7

Kudos [?]: 320 [0], given: 0

If 2 different representatives are to be selected at random [#permalink]

### Show Tags

11 Nov 2005, 04:10
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

### HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

If 2 different representatives are to be selected at random from a group of 10 employees and if p is the probability that both representatives selected will be women, is p >1/2 ?
(1) More than 1/2 of the 10 employees are women.
(2) The probability that both representatives selected will be men is less than 1/10 .
_________________

hey ya......

VP
Joined: 30 Sep 2004
Posts: 1488
Location: Germany
Followers: 6

Kudos [?]: 325 [0], given: 0

### Show Tags

11 Nov 2005, 05:03
E)...question is asking w/10*(w-1)/9>1/2 ? or w(w-1)>45 ?

1)...6 w(omen) NO...9 w(omen) YES...insuff

2) m(m-1)<9...4 m(en) and 6 w NO...1 m and 9 w YES...insuff

1)+2) same numbers...NO...YES
_________________

If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

Manager
Joined: 28 Jun 2005
Posts: 217
Followers: 1

Kudos [?]: 5 [0], given: 0

### Show Tags

11 Nov 2005, 06:05
one more E
St: 1
W=6,7,8,9, or 10
w=6,7 P(w)<1/2
w=8,9, or 10 p(w)>1/2
not suff

st2:
m=3,2,1 or 0 to satisfy the equation
m=3 p(w)<1/2
m=2,1,0 p(w)>1/2
not suff

1+2: m can be 3; so not suff
Display posts from previous: Sort by