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Alekssandra [29.7K]
3 years ago
10

Tỷ lệ người dân nghiện thuốc lá ở một vùng là 30%. Biết rằng tỷ lệngười bị viêm họng trong số những người nghiện thuốc lá là 60%

, còn tỷ lệngười bị viêm họng trong những người không nghiện thuốc là 40%.Chọn ngẫu nhiên một người và thấy người đó bị viêm họng, tìm xác suấtđể người đó nghiện thuốc lá.
Mathematics
1 answer:
Alexxx [7]3 years ago
7 0

Answer:

ask in English then I can help

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