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发帖数: 731 | 1 A biologist, a statistician, a mathematician and a computer
scientist are on a photo-safari in africa. They drive out on the
savannah in their jeep, stop and scout the horizon with their
binoculars.
The biologist: "Look! There's a herd of zebras! And there, in the
middle : A white zebra! It's fantastic! There are white zebra's!
We'll be famous!"
The statistician: "It's not significant. We only know there's one
white zebra."
The mathematician: "Actually, we only know there exists a
zebra, which i |
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