Events & Promotions
|
|
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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
May 2110:00 AM EDT
-11:59 PM EDT
Make the most of your break with the most realistic GMAT™ prep. Take up to $700 off select products.
Jun 1006:00 AM PDT
-06:15 PM PDT
Register for the GMAT Club Virtual MBA Spotlight Fair – the world’s premier event for serious MBA candidates. This is your chance to hear directly from Admissions Directors at nearly every Top 30 MBA program..
10 Jan 2012, 23:36
Kudos
Bookmarks
C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
(N/A)
Question Stats:
0% (00:00) correct
100%
(02:26)
wrong
based on 1
sessions
History
Date
Time
Result
Not Attempted Yet
Can anyone explain how to approach this problem? i was getting answer as 2/5 but its not correct
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
LalaB
Current Student
Joined: 23 Oct 2010
Last visit: 17 Jul 2016
Posts: 226
Own Kudos:
Given Kudos: 73
Location: Azerbaijan
Concentration: Finance
Schools: HEC '15 (A)
GMAT 1: 690 Q47 V38
10 Jan 2012, 23:41
Kudos
Bookmarks
when u see the words "at least" use the following logic-
at least=1-none
RR BBB (total 5)
at least 1 red=1-prob of B*prob of B=1-3/5*2/4=7/10
at least=1-none
RR BBB (total 5)
at least 1 red=1-prob of B*prob of B=1-3/5*2/4=7/10
12 Jan 2012, 07:42
Kudos
Bookmarks
P(1R1B)+p(2R)
(2C1*3C1)/5C2 + 2C2/5C2
6/10 + 1/10
7/10
(2C1*3C1)/5C2 + 2C2/5C2
6/10 + 1/10
7/10
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
