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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Senior Manager
Joined: 23 Jan 2021
Posts: 294
Given Kudos: 81
Concentration: , International Business
A fair coin is tossed several times. If the coin is getting a head for
[#permalink]
07 Nov 2021, 22:32
07 Nov 2021, 22:32
00:00
Question Stats:
62% (00:20) correct
37% (01:16) wrong based on 8 sessions
Hide Show timer Statistics
A fair coin is tossed several times. If the coin is getting a head for the first time. what is the probability of getting three heads on consecutive three tosses?
Give your answer as a fraction .
Give your answer as a fraction .
Show: ::
1/4
Retired Moderator
Joined: 16 Apr 2020
Status:Founder & Quant Trainer
Affiliations: Prepster Education
Posts: 1546
Given Kudos: 172
Location: India
WE:Education (Education)
Re: A fair coin is tossed several times. If the coin is getting a head for
[#permalink]
04 Mar 2022, 01:01
04 Mar 2022, 01:01
1
COolguy101 wrote:
A fair coin is tossed several times. If the coin is getting a head for the first time. what is the probability of getting three heads on consecutive three tosses?
Give your answer as a fraction .
Give your answer as a fraction .
Show: ::
1/4
We need three Heads in a row (H H H)
Also, we already have one Head (H _ _)
We need two Heads now;
Prob. of getting a Head (on a single toss) = \(\frac{1}{2}\)
So, H x (\(\frac{1}{2}\)) x (\(\frac{1}{2}\)) = \(\frac{1}{4}\)
gmatclubot
Re: A fair coin is tossed several times. If the coin is getting a head for [#permalink]
04 Mar 2022, 01:01
Moderators:
