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Message de mariet posté le 2004-05-24 19:49:11 (S | E | F | I)
In a given town five per cent of the inhabitants have got a confidential phone number. If you pick up a hundred names in the repertory book, how many of the chosen people would have a confidential number ? (approximately)
In a given town five per cent of the inhabitants have got a confidential phone number. If you pick up a hundred names in the repertory book, how many of the chosen people would have a confidential number ? (approximately)
Réponse: re de rosminet, postée le 2004-05-24 19:57:31 (S | E)
Zero ! Because inhabitants who have got a confidential phone number ...... are not in the repertory book !
Réponse: re de mariet, postée le 2004-05-24 20:38:47 (S | E)
That's right! I should have known, shouldn't I ? 8))))
I daresay you're fast!!!
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