Quantcast Probability - XP Math - Forums
XP Math Home Sign Up FREE! | Sign In | Classroom Setup | Common Core Alignment PDF Version

Go Back   XP Math - Forums > Mathematics > Homework Help

Reply
 
Thread Tools Display Modes
Old 11-25-2006   #1
alexmthomas
Guest
 
Posts: n/a
Post Probability

A fair dice is being rolled. What is the probability that a six appears in at most n attempts?

  Reply With Quote
Old 11-25-2006   #2
Sillysidley

Last Achievements
 
Join Date: Oct 2006
Posts: 822
Default

Quote:
Originally Posted by alexmthomas View Post
A fair dice is being rolled. What is the probability that a six appears in at most n attempts?

i'm not sure, but i think it is the same probability as when the dice is being rolloed once (here's your hint!)

So the question is basically what's the probability of you rolling a 6 ?
__________________
.
Sillysidley is offline   Reply With Quote
Old 11-25-2006   #3
Sillysidley

Last Achievements
 
Join Date: Oct 2006
Posts: 822
Default

or it might be n/6 (lol) but i think my first answer is better
__________________
.
Sillysidley is offline   Reply With Quote
Old 11-25-2006   #4
alexmthomas
Guest
 
Posts: n/a
Smile

Well, i feel the answer is {1-1/(6^n)}
  Reply With Quote
Old 11-25-2006   #5
Sillysidley

Last Achievements
 
Join Date: Oct 2006
Posts: 822
Default

isn't 1-1=0
__________________
.
Sillysidley is offline   Reply With Quote
Old 12-02-2006   #6
Sillysidley

Last Achievements
 
Join Date: Oct 2006
Posts: 822
Default

and the probability is not 0

wa i right?
__________________
.
Sillysidley is offline   Reply With Quote
Old 12-02-2006   #7
Scion

Last Achievements
 
Join Date: Nov 2006
Posts: 446
Default

1 over 6
__________________
Scion is offline   Reply With Quote
Old 12-02-2006   #8
Sillysidley

Last Achievements
 
Join Date: Oct 2006
Posts: 822
Default

that's what i said
__________________
.
Sillysidley is offline   Reply With Quote
Old 12-02-2006   #9
Scion

Last Achievements
 
Join Date: Nov 2006
Posts: 446
Default

oh i just looked at the questiion and answered
__________________
Scion is offline   Reply With Quote
Old 12-02-2006   #10
Scion

Last Achievements
 
Join Date: Nov 2006
Posts: 446
Default

Quote:
Originally Posted by alexmthomas View Post
Well, i feel the answer is {1-1/(6^n)}
\\i know thats wrong how did u get that?
__________________
Scion is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 06:51 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2017, vBulletin Solutions Inc.
XP Math