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Un article trouvé pour ce sujet.
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Is the tree a pine tree? |
2001-10-27 |
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Kate pose la question :
Suppose Stock Brokers tell the truth 2/5 of the time, and 1/3 of the trees in a given forest are Pine. If 4 Stock Brokers say that a certain tree in that forest is Pine, what is the probability that the tree is indeed a Pine tree?
Penny Nom lui répond. |
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