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**White_Owl****Member**- Registered: 2010-03-03
- Posts: 106

I have a bunch of problems like this:

P(A) = .1

P(B) = .2

P(AUB) = .3

P(A|B) = ?

Some of the problems are really complicated and consist of multiple events (right now the largest one have five, but more is possible).

Is there any tool which knows how to work with probability functions and can construct a new formula upon the given set of known probabilities?

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 98,214

Hi White_Owl;

I do not know of any app but there is a site for simple ones.

http://stattrek.com/online-calculator/p … lator.aspx

*Last edited by bob bundy (2013-02-11 11:18:06)*

**In mathematics, you don't understand things. You just get used to them.**

**If it ain't broke, fix it until it is.** **Thinking is cheating.**

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**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,273

<I added an x to make .aspx ... hope that is ok with you ... Bob>

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