BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Probability

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
User avatar
Master | Next Rank: 500 Posts
Posts: 232
Joined: Fri Jun 18, 2010 7:09 am
Thanked: 1 times
Followed by:2 members

Probability

by ruplun » Wed Jun 23, 2010 7:43 am
A bowl contains red and green chips and no chips of any other color. If two chips are drawn from the basket at random without replacement, what is the probability that both chips will be green?

1. 20% of all chips in the basket are green.
Top
Source: — Problem Solving |
User avatar
Master | Next Rank: 500 Posts
Posts: 294
Joined: Wed May 05, 2010 4:01 am
Location: india
Thanked: 57 times

by amising6 » Wed Jun 23, 2010 7:59 am
ruplun wrote:A bowl contains red and green chips and no chips of any other color. If two chips are drawn from the basket at random without replacement, what is the probability that both chips will be green?

1. 20% of all chips in the basket are green.
is this full question
Ideation without execution is delusion
Top
User avatar
Legendary Member
Posts: 535
Joined: Fri Jun 08, 2007 2:12 am
Thanked: 87 times
Followed by:5 members
GMAT Score:730

by hardik.jadeja » Wed Jun 23, 2010 8:11 am
Lets assume that there are 100 chips - 20 green and 80 red

Probability of picking up two green chips = (20/100)*(19/99) = 19/495
Top
Post new topic Post Reply
• Page 1 of 1