anyone know a formula on how to find lower case sigma in a probability problem?

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- Jan 27th 2008, 06:58 PMiwuvkurb23[SOLVED] Proabability!
anyone know a formula on how to find lower case sigma in a probability problem?

- Jan 27th 2008, 11:15 PMCaptainBlack
- Jan 28th 2008, 12:51 AMmr fantastic