john.arnott (10/6/2011)

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L' Eomot Inversé (10/6/2011)

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L' Eomot Inversé (10/5/2011)

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I find it quite frightening that so few people know enough about normalisation to get this one right.

I feel much less frightened now: 22% out of 700 is a lot better than 2% out of 200.

I must be an inveterate cynic. I don't find it at all surprising that the percentage of sucess has risen so dramatically after the next day's newsletter included the correct answers. (never was frightened, though)