Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 26 Apr 2015, 22:07

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

In a certain animal population, for each of the first 3

Author Message
TAGS:
Intern
Joined: 21 Sep 2004
Posts: 1
Followers: 0

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

In a certain animal population, for each of the first 3 [#permalink]  06 Nov 2004, 13:24
In a certain animal population, for each of the first 3 months of life, the probability that an animal will die during that month is 1/10. For a group of 200 newborn members of the population, approximately how many would be expected to survive the first 3 months of life?

A) 140

B) 146

C) 152

D) 162

E) 170

OA to follow...
GMAT Club Legend
Joined: 15 Dec 2003
Posts: 4313
Followers: 26

Kudos [?]: 216 [0], given: 0

B) less than 1 min.
200 * (9/10)^3 = approx 146
_________________

Best Regards,

Paul

Senior Manager
Joined: 21 Jun 2004
Posts: 340
Followers: 1

Kudos [?]: 2 [0], given: 0

This is a nice question.

http://www.gmatclub.com/phpbb/viewtopic ... ht=newborn

and

http://www.gmatclub.com/phpbb/viewtopic ... ht=newborn
_________________

510 on my first GMAT. 610 on second GMAT.!
The struggle continues.

Similar topics Replies Last post
Similar
Topics:
Animal population 0 12 Mar 2011, 11:48
2 In a certain population, there are 3 times as many people ag 6 05 May 2010, 12:56
2 In a certain animal population, for each of the first 3 mont 7 20 Aug 2008, 00:52
Of the 60 animals on a certain farm, 2/3 are either pigs or 7 04 May 2006, 21:31
3 Of the 60 animals on a certain farm, 2/3 are either pigs or 14 22 Jan 2006, 22:59
Display posts from previous: Sort by