=> '31', 'ruid' => '73391', 'username' => 'Bunuel', ), ); ?> If a certain coin is flipped, the probability that the coin : GMAT Quantitative Section
Find all School-related info fast with the new School-Specific MBA Forum

It is currently 21 Oct 2014, 04:39

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

If a certain coin is flipped, the probability that the coin

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Director
Director
avatar
Joined: 29 Aug 2005
Posts: 881
Followers: 7

Kudos [?]: 158 [0], given: 7

If a certain coin is flipped, the probability that the coin [#permalink] New post 15 Nov 2008, 10:15
If a certain coin is flipped, the probability that the coin will land heads is 1/2. If the coin is
flipped 5 times, what is the probability that it will land heads up on the first 3 flips and not on the
last 2 flips?

I will write the answers later.
VP
VP
User avatar
Joined: 05 Jul 2008
Posts: 1435
Followers: 35

Kudos [?]: 225 [0], given: 1

Re: GMAT Set 28 - 17 [#permalink] New post 15 Nov 2008, 12:09
Yeah I got 1/32 too

HHHTT (or) HHH!H!H

H is 1/2 and !H is also 1/2

so (1/2)^5 = 1/32
Re: GMAT Set 28 - 17   [#permalink] 15 Nov 2008, 12:09
    Similar topics Author Replies Last post
Similar
Topics:
If a certain coin is flipped, the probability that the coin haichao 1 09 Nov 2008, 18:19
4 Experts publish their posts in the topic If a certain coin is flipped, the probability that the coin marcodonzelli 21 12 Jan 2008, 02:44
Q17: If a certain coin is flipped, the probability that the jet1445 5 04 Jun 2007, 19:20
If a certain coin is flipped, the probability that the coin WinIT 1 12 Nov 2006, 08:49
If a certain coin is flipped, the probability that the coin getzgetzu 7 05 May 2006, 22:04
Display posts from previous: Sort by

If a certain coin is flipped, the probability that the coin

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.