Find all School-related info fast with the new School-Specific MBA Forum
Learn more about the recent changes... close

It is currently 20 May 2013, 06:19
Customize  |  Hide

Search
Register
New posts
Unanswered

The probability that event A occurs is 0.5, event B occurs

  Question banks Downloads My Bookmarks Reviews  
  Oldest Best Reply
Search for:
 
Print view
First unread post
Author Message
TAGS:
SVP
SVP
Joined: 14 Dec 2004
Posts: 1714
Followers: 1

Kudos [?]: 17 [0], given: 0

GMAT Tests User
The probability that event A occurs is 0.5, event B occurs [#permalink] New post 01 Apr 2006, 23:37
00:00

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
The probability that event A occurs is 0.5, event B occurs is 0.4, where A and B are independent events. What is the probability that neither A nor B occurs?
GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jul 2004
Posts: 5134
Location: Singapore
Followers: 9

Kudos [?]: 87 [0], given: 0

GMAT Tests User
 [#permalink] New post 01 Apr 2006, 23:40
P(A occurs) = 1/2
P(A does not occur) = 1/2

P(B Occurs) = 2/5
P(B does not occur) = 3/5

P(A nor B occur) = P(A does not occur) AND P(B does not occur) = 1/2 * 3/5 = 3/10
VP
VP
User avatar
Joined: 29 Apr 2003
Posts: 1414
Followers: 2

Kudos [?]: 10 [0], given: 0

GMAT Tests User
 [#permalink] New post 02 Apr 2006, 00:57
P(A occurs) = 0.5
P(A does not occur) = 0.5

P(B Occurs) = 0.4
P(B does not occur) = 0.6



P(!A)P(!B) =0.5 x 0.6
= 0.3

Last edited by sm176811 on 02 Apr 2006, 01:03, edited 2 times in total.
VP
VP
User avatar
Joined: 29 Apr 2003
Posts: 1414
Followers: 2

Kudos [?]: 10 [0], given: 0

GMAT Tests User
 [#permalink] New post 02 Apr 2006, 01:00
Yeah its shud be 0.3

P(!A)*P(!B) = 0.5 x 0.6 = 0.3
SVP
SVP
Joined: 14 Dec 2004
Posts: 1714
Followers: 1

Kudos [?]: 17 [0], given: 0

GMAT Tests User
 [#permalink] New post 02 Apr 2006, 03:41
No doubt it's 0.3 :-D
  [#permalink] 02 Apr 2006, 03:41
    Similar topics Author Replies Last post
Similar
Topics:
 New posts What is the probability that events A and B both occur? (1) kpadma 5 13 Dec 2003, 21:46
New posts 1 What is the probability that events A and B both occur? hallelujah1234 7 15 May 2004, 16:10
New posts What is the probability that events A and B both occur? (1) Bhai 2 15 Jul 2004, 21:40
New posts The probability for event A to occur is 0.6, and for B to Ethan 6 24 Apr 2006, 03:29
New posts What is the probability that events A and B both occur? (1) ffgmat 9 24 Aug 2006, 23:08
Display posts from previous: Sort by

The probability that event A occurs is 0.5, event B occurs

  Question banks Downloads My Bookmarks Reviews  
Print view
First unread post

Moderators: Bunuel, VeritasPrepKarishma, IanStewart

Search for:


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®.

Main navigation

GMAT Resources

Partners

MBA Resources

www.gmac.com|www.mba.com