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**bilalcisco****Member**- Registered: 2012-03-31
- Posts: 4

kindly help me for Stat Question

A Binary Symmetric Channel (BSC) has binary (0 or 1) inputs and outputs. It outputs each bit correctly with probability 1 − p and incorrectly with probability p. Assume 0 and 1 are equally likely inputs. State the MAP (maximum a posteriori probability).

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,207

Hi bilalcisco;

I only came across a BSC a few days ago when working on another problem.Why not show me what you have done and maybe both of us can go further than either of us singly?

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**bilalcisco****Member**- Registered: 2012-03-31
- Posts: 4

I am studying probability theory now and would probably use it in my research in wireless communication (802.11 MAC to be more specific). I am afraid I dont know anything about BSC. The above problem is just to practice and have some knowledge about probability. (:

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,207

Hi;

Where are you specifically stuck?

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**bilalcisco****Member**- Registered: 2012-03-31
- Posts: 4

Hello Bobbym!!

I want to find MAP (Maximum a posteriori probability), of the above given problem. The problem image is exactly same to the exercise#16 on this page 'cnx DOT org SLASH content SLASH m11271 SLASH latest. (I want to post the image, but dont know how to, anyway i gave the path where you could find the image.)

thanks for your interest.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 104,207

Hi;

What is a MAP?

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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