Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

Login

Username

Password

Not registered yet?

#1 2012-11-22 13:35:51

jacks
Member

Offline

dice probability

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

#2 2012-11-22 21:02:01

bobbym
Administrator

Online

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.
Probability is the most important concept in modern science, especially as nobody has the slightest notion what it means.
90% of mathematicians do not understand 90% of currently published mathematics.

#3 2012-11-25 14:19:41

jacks
Member

Offline

Re: dice probability

Thanks bobbym

would you like to explain it to me

#4 2012-11-25 14:38:04

bobbym
Administrator

Online

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.
Probability is the most important concept in modern science, especially as nobody has the slightest notion what it means.
90% of mathematicians do not understand 90% of currently published mathematics.

Board footer

Powered by FluxBB