It is currently 28 Jun 2017, 12:24

### 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

# Probability Ps

Author Message
Director
Joined: 17 Oct 2005
Posts: 928

### Show Tags

17 Nov 2005, 00:12
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

### HideShow timer Statistics

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

In a certain cat population, for each of the first 3 months of life, the probability that an anmimal will die during that month is 1/10. For a group of 200 newborn members of the cat population, approximately how many would be expected to survive the first 3 months of life?
Manager
Joined: 11 Jul 2005
Posts: 86
Location: New York

### Show Tags

17 Nov 2005, 22:32
joemama142000 wrote:
In a certain cat population, for each of the first 3 months of life, the probability that an anmimal will die during that month is 1/10. For a group of 200 newborn members of the cat population, approximately how many would be expected to survive the first 3 months of life?

P(surviving first month)=9/10

three months= 9/10*9/10*9/10

p(200 members)=(9/10)^3*200
Re: Probability Ps   [#permalink] 17 Nov 2005, 22:32
Display posts from previous: Sort by