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- ...mes P of s-over-little-sigma, equals one over the square root of two times pi, times e to the minus s squared over two little sigma squared." 709 (thanks32 KB (4,668 words) - 05:52, 20 July 2010
- "Little sigma, times P of s equals one over the square root of two pi, times e to the minus s squared over two little-sigma squared" would be the3 KB (528 words) - 01:13, 25 September 2009