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Mathematics, 20.11.2021 05:00 isiahb123

Trong kho có 1000 sản phẩm, trong đó có 5% sản phẩm hỏng. Lấy lần lƣợt mỗi lần 1 sản phẩm đến khi đủ 2 sản phẩm hỏng thì dừng. Tìm xác suất để dừng lại lần thứ 2?

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Trong kho có 1000 sản phẩm, trong đó có 5% sản phẩm hỏng. Lấy lần lƣợt mỗi lần 1 sản phẩm đến khi đủ...

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