Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 28 May 2017, 08:31

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

Richard has 3 Green, 2 Red, 3 Blue balls in a bag. He

Author Message
Director
Joined: 19 Nov 2004
Posts: 557
Location: SF Bay Area, USA
Followers: 4

Kudos [?]: 210 [0], given: 0

Richard has 3 Green, 2 Red, 3 Blue balls in a bag. He [#permalink]

Show Tags

22 Jan 2005, 21:36
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.

Richard has 3 Green, 2 Red, 3 Blue balls in a bag. He randomly picks 5 from the bag without replacement. What is the probability that out of the 5 balls drawn, he has picked 1 Red, 2 Green and 2 Blue balls.
(This is a 48+ problem, Hypogeometric.)
a) 8/28
b) 9/28
c) 10/28
d) 10/18
e) 11/18
SVP
Joined: 03 Jan 2005
Posts: 2236
Followers: 16

Kudos [?]: 342 [0], given: 0

Show Tags

22 Jan 2005, 21:47
It's (b), right? I kind of have forgotten how to do combinations a little.
22 Jan 2005, 21:47
Display posts from previous: Sort by