Probability - XP Math - Forums

 XP Math - Forums Probability

 11-25-2006 #1 alexmthomas Guest   Posts: n/a Probability A fair dice is being rolled. What is the probability that a six appears in at most n attempts?
11-25-2006   #2
Sillysidley

Join Date: Oct 2006
Posts: 822

Quote:
 Originally Posted by alexmthomas 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 ?
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 11-25-2006 #3 Sillysidley   Join Date: Oct 2006 Posts: 822 or it might be n/6 (lol) but i think my first answer is better __________________ .
 11-25-2006 #4 alexmthomas Guest   Posts: n/a Well, i feel the answer is {1-1/(6^n)}
 11-25-2006 #5 Sillysidley   Join Date: Oct 2006 Posts: 822 isn't 1-1=0 __________________ .
 12-02-2006 #6 Sillysidley   Join Date: Oct 2006 Posts: 822 and the probability is not 0 wa i right? __________________ .
 12-02-2006 #7 Scion   Join Date: Nov 2006 Posts: 437 1 over 6 __________________
 12-02-2006 #8 Sillysidley   Join Date: Oct 2006 Posts: 822 that's what i said __________________ .
 12-02-2006 #9 Scion   Join Date: Nov 2006 Posts: 437 oh i just looked at the questiion and answered __________________
12-02-2006   #10
Scion

Join Date: Nov 2006
Posts: 437

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