Additional

To xenon : Thanks for the link. Will find a time to browse through the site. I myself use wikipedia for researching too.

This post has been edited by ffrulz: Apr 6 2006, 09:53 PM

ohh man , i phail !



This post has been edited by LWRNCH6550: Apr 6 2006, 10:08 PM

I think the mod maths one mainly is not the permutation and combination... dun la confuse the fella further XD

It's usually when you have like a bag of 20 balls : 8 red, 6 blue, and 6 green. And you have 5 chances to reach into the bag and take out a ball.

Kebarangkalian bersandar (dependent probability) is the one where the probability of getting a red ball in your second, third, etc tries are dependent on the result of the previous tries. Meaning at first the chance of taking out a red ball is 8/20. if you take out a red ball in the first try, the chance of getting a red ball in the second try is 7/19 because there are 7 red balls left and 19 balls left in total.

The one that is not bersandar is if you replace the ball into the bag each time you take one out. Then, if you get a red ball in your first try, the chance of getting red ball in your second try is the same: 8/20.

Hope that helped.

The example that you gave is just for the case of simple probability with and without replacement (putting back in other words).

It did a little. Finally understanding a little bit about this bersandar and tidak bersandar thing. Thanks for the info.

remember that dependance and independance in probability is very important.
Independance for instance : 2 events , event A and event B

If knowing that an event A occurs does not alter the probability that event B occurs, then we refer them as independant events.

urm..if im not mistaken..
there's a malay to english terminology book sold at bookshops nationwide le..
so..
u can go n bu ythose book le..
since u know it in BM...u jus search from the book its meanign in english la..
urm...
i kinda hate kebarangkalian too..
there;s both la..
mod maths n add maths..
both oso have kebarangkalian..
but both have different ways to solve it...