Mathematics
Mathematics, 25.07.2021 16:00, tiffanybrandy23

Cứ 1000 bóng đèn thì có 15 bóng đèn hỏng do lỗi sản xuất. Kiểm tra ngẫu nhiên 200 bóng đèn. Xác suất có 2 bóng đèn hỏng là: (Kết quả làm tròn đến chữ số thập phân thứ 3)

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Cứ 1000 bóng đèn thì có 15 bóng đèn hỏng do lỗi sản xuất. Kiểm tra ngẫu nhiên 200 bóng đèn. Xác suất...

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