GMAT Question of the Day: Daily via email | Daily via Instagram New to GMAT Club? Watch this Video
close
It is currently 16 Jun 2021, 05:22
Register
GMAT Club Tests
Decision Tracker
My Rewards
New posts
New comers' posts

Close

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
Your Progress

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

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
MBA Spotlight – ISB AdCom Live Q&A
Live Session


Join us for Live Q&A with ISB AdCom Team!
Llearn what matters this application season, get an update about this year's admissions process, and bring your questions! Win over $50,000 Prizes including GMAT Club Tests and Quizzes, Admissions Fee Waivers, and just get to meet other applicants! Live now on YouTube!

Go to Session Schedule
If the probability that event S will not occur is 1 - y, then the prob
6 posts Go to First Unread Post
Print view
NEW TOPIC
POST REPLY
Downloads
My Bookmarks
Reviews
SORT BY:
Date
Kudos
Tags:
Find Similar Topics 

Show Tags
Hide Tags

User avatar
V
Bunuel
Math Expert
Joined: 02 Sep 2009
Posts: 77082
Premium Member CAT Tests Top Member of the Month
If the probability that event S will not occur is 1 - y, then the prob [#permalink] New post  15 Oct 2019, 07:17
3
Bookmarks
Expert Reply
Attempt only this question Same topic and source Same topic and difficulty Same source and difficulty Random Chronological Reverse chronological Learn more
00:00
A
B
C
D
E

Difficulty:

5% (low)

Question Stats:

93% (00:24) correct 7% (00:54) wrong based on 147 sessions

Hide Show timer Statistics

If the probability that event S will not occur is 1 - y, then the probability that event S will occur is

A. y^2 − 1
B. y^2
C. y/2
D. y - 1
E. y
ShowHide Answer
Official Answer
Official Answer and Stats are available only to registered users. Register/Login.

_________________
New to the GMAT CLUB Forum?

My Signature Questions' Collection:


What are GMAT Club Tests?
Extra-hard Quant Tests with Brilliant Analytics
Signature Read More
Attempt only this question Same topic and source Same topic and difficulty Same source and difficulty Random Chronological Reverse chronological Learn more
User avatar
V
Archit3110
GMAT Club Legend
GMAT Club Legend
Joined: 18 Aug 2017
Status:You learn more from failure than from success.
Posts: 6923
Location: India
Concentration: Sustainability, Marketing
GPA: 4
WE:Marketing (Energy and Utilities)
GMAT ToolKit User Premium Member Reviews Badge CAT Tests
Re: If the probability that event S will not occur is 1 - y, then the prob [#permalink] New post  15 Oct 2019, 08:04
Bunuel wrote:
If the probability that event S will not occur is 1 - y, then the probability that event S will occur is

A. y^2 − 1
B. y^2
C. y/2
D. y - 1
E. y


event occur + not occur = 1
event occur = 1-1+y ; y
IMO E
User avatar
D
saukrit
Senior Manager
Senior Manager
Joined: 05 Jul 2018
Status:Current student at IIMB
Affiliations: IIM Bangalore
Posts: 422
Location: India
Concentration: General Management, Technology
Schools: IIMB EPGP'22 (A)
GMAT 1: 600 Q47 V26
GRE 1: Q162 V149
GPA: 3.6
WE:Information Technology (Consulting)
Reviews Badge
Re: If the probability that event S will not occur is 1 - y, then the prob [#permalink] New post  15 Oct 2019, 10:53
1-(1-y)=y. Hence E
User avatar
V
ScottTargetTestPrep
Target Test Prep Representative
Joined: 14 Oct 2015
Status:Founder & CEO
Affiliations: Target Test Prep
Posts: 14277
Location: United States (CA)
Re: If the probability that event S will not occur is 1 - y, then the prob [#permalink] New post  16 Oct 2019, 18:20
Expert Reply
Bunuel wrote:
If the probability that event S will not occur is 1 - y, then the probability that event S will occur is

A. y^2 − 1
B. y^2
C. y/2
D. y - 1
E. y



Since the probability that S will not occur is (1 - y), the probability that it will occur is 1 - (1 - y) = y.

Answer: E
_________________

★ ★ ★ ★ ★   350 REVIEWS

5-STAR RATED ONLINE GMAT QUANT SELF STUDY COURSE

NOW WITH GMAT VERBAL (Pre-Launch)

See why Target Test Prep is the top rated GMAT quant course on GMAT Club. Read Our Reviews

Signature Read More
User avatar
V
CrackVerbalGMAT
CrackVerbal Representative
Joined: 03 Oct 2013
Affiliations: CrackVerbal
Posts: 4272
Location: India
GMAT 1: 730 Q48 V42
GPA: 4
Re: If the probability that event S will not occur is 1 - y, then the prob [#permalink] New post  04 Sep 2020, 06:53
Expert Reply
Top Contributor
If the probability that an event S occurs is given by P(S0, the the probability that the same event, denoted as P(S') = 1 - P(S).

Therefore P(S) + P(S') = 1

Here P(S') = 1 - y

P(S) + 1 - y = 1

P(S) = 1 - 1 + y = y


Option E

Arun Kumar
_________________

- CrackVerbal Prep Team


Image

GMAT Learning Resources


Claim Your Free Session with a Top CrackVerbal GMAT Instructor

Get free access to your GMAT Online Kickstarter course

Know If Your Profile is Good Enough For An MBA

Know More about our 1-on-1 GMAT Coaching


What Our Students Have to Say


Sushiksha Shetty - 710 to 770 | Ramprasad Venkataramanan - 720 to 750 | More Success Stories


Register for Our Free Webinars


GMAT Strategy Webinars | MBA Application Webinars
Signature Read More
User avatar
V
MathRevolution
Math Revolution GMAT Instructor
Joined: 16 Aug 2015
Posts: 11189
GMAT 1: 760 Q51 V42
GPA: 3.82
Re: If the probability that event S will not occur is 1 - y, then the prob [#permalink] New post  04 Sep 2020, 07:07
Expert Reply
If the probability of an event to occur is 'y' , then the probability if the same event to not occur is '1-y'

Answer E
_________________
MathRevolution: The World's Most "Complete" GMAT Math Course!
Score an excellent Q49-51 just like 70% of our students.
[Free] Full on-demand course (7 days) - 100 hours of video lessons, 490 lesson topics, and 2,000 questions.
[Course] Starting at $79 for on-demand and $60 for tutoring per hour and $390 only for Live Online
Signature Read More
GMAT Club Bot
gmatclubot
Re: If the probability that event S will not occur is 1 - y, then the prob [#permalink]
04 Sep 2020, 07:07
NEW TOPIC
POST REPLY
Downloads
My Bookmarks
Reviews
Moderators:
chetan2u
Math Expert
10007 posts
Bunuel
Math Expert
77082 posts
yashikaaggarwal
Senior Moderator - Masters Forum
2540 posts
generis
Senior SC Moderator
4805 posts

cron

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

Main navigation

GMAT Resources

Partners

MBA Resources

www.gmac.com|www.mba.com | | GMAT Club Rules | Terms and Conditions