Last visit was: 25 Dec 2024, 17:21 It is currently 25 Dec 2024, 17:21
Decision Tracker
My Rewards
New comers' posts
New posts
Unanswered

Close

GRE Prep 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
Your Progress

every week, we’ll send you an estimated GRE score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Go to My Error Log Learn more
Close

Request Expert Reply

Confirm Cancel
PREVIOUS TOPIC
NEXT TOPIC

The only items on a shelf are 8 green bins and 4 orange bins

Tags :
Find Similar Topics  About  Add a Tag

Show Tags
Hide Tags

User avatar
D
Carcass
Verbal Expert
Joined: 18 Apr 2015
Posts: 30496
Own Kudos [?]: 36858 [2]
Given Kudos: 26106
Send PM
The only items on a shelf are 8 green bins and 4 orange bins [#permalink] New post   29 Sep 2020, 07:27
Expert Reply
2
Bookmarks
00:00

Question Stats:

72% (01:20) correct 27% (01:41) wrong based on 44 sessions

Hide Show timer Statistics

The only items on a shelf are 8 green bins and 4 orange bins. If 3 bins are to be selected from the shelf, one after the other, at random and without replacement, what is the probability that at least one green bin is selected?

Give your answer as a fraction.

Show: :: OA
\(\frac{54}{55}\)
avatar
Olasunbo
Manager
Manager
Joined: 08 Aug 2020
Posts: 92
Own Kudos [?]: 108 [3]
Given Kudos: 0
Send PM
Re: The only items on a shelf are 8 green bins and 4 orange bins [#permalink] New post   01 Oct 2020, 02:17
3
Probability of at least one green beans is 1- probability of no green beans
Which is 4/12*3/11*2/10 = 1/55

Probability of at least one green beans is 1-1/55 = 54/55

Posted from my mobile device Image
User avatar
bumpbot
GRE Prep Club Legend
GRE Prep Club Legend
Joined: 07 Jan 2021
Posts: 5092
Own Kudos [?]: 76 [0]
Given Kudos: 0
Send PM
Re: The only items on a shelf are 8 green bins and 4 orange bins [#permalink] New post   06 Feb 2023, 04:24
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Prep Club for GRE Bot
gmatclubot
Re: The only items on a shelf are 8 green bins and 4 orange bins [#permalink]
06 Feb 2023, 04:24
Moderators:
adewale223
GRE Instructor
88 posts
bronaugust
GRE Forum Moderator
37 posts
BrushMyQuant
Moderator
1115 posts
VibhuAnurag
GRE Instructor
234 posts

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne

Main navigation

Partners

GRE Resources

www.ets.org/gre | About | Terms and Conditions and Privacy Policy | Prep Club for GRE Rules | Contact