If a bottle is to be selected at random from a certain : DS Archive
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 18 Jan 2017, 00:37

### 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 a bottle is to be selected at random from a certain

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 16 Apr 2009
Posts: 243
Schools: Ross
Followers: 3

Kudos [?]: 83 [0], given: 10

If a bottle is to be selected at random from a certain [#permalink]

### Show Tags

11 Aug 2009, 10:18
00:00

Difficulty:

(N/A)

Question Stats:

100% (01:37) correct 0% (00:00) wrong based on 2 sessions

### HideShow timer Statistics

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

If a bottle is to be selected at random from a certain collection of bottles, what is the probability that the bottle will be defective?
(1) The ratio of the number of bottles in the collection that are defective to the number that are not defective is 3:500.
(2) The collection contains 3,521 bottles.

_________________

Keep trying no matter how hard it seems, it will get easier.

Senior Manager
Joined: 20 Mar 2008
Posts: 454
Followers: 1

Kudos [?]: 118 [0], given: 5

### Show Tags

11 Aug 2009, 11:02
St. 1: Probability = 3/503. Sufficient.
St. 2: How many are defective, how many or not defective. Cannot be determined. Hence insufficient.

A for me.
Re: probability   [#permalink] 11 Aug 2009, 11:02
Display posts from previous: Sort by

# If a bottle is to be selected at random from a certain

 post reply Question banks Downloads My Bookmarks Reviews Important topics

 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®.