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#1 2012-11-21 14:35:51

jacks
Member
Registered: 2012-11-21
Posts: 77

dice probability

A six faced fair dice is thrown until 1 comes, then the probability that 1 comes in even no. of trials is

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#2 2012-11-21 22:02:01

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,616

Re: dice probability

Hi jacks;

I am getting

So the probability is 5 / 11.

This agrees with computer simulations.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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#3 2012-11-24 15:19:41

jacks
Member
Registered: 2012-11-21
Posts: 77

Re: dice probability

Thanks bobbym

would you like to explain it to me

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#4 2012-11-24 15:38:04

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 81,616

Re: dice probability

Hi;

It is based on a tree and trick for summing series like that. What part do you need help on?


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

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