Mathematics, 16.06.2021 02:40 brandon56238

Cho một hộp gồm 6 bi đỏ và 4 bi xanh. Chọn ngẫu nhiên từ hộp 2 bi cùng lúc. Tính xác suất để có ít nhất 1 bi đỏ

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Cho một hộp gồm 6 bi đỏ và 4 bi xanh. Chọn ngẫu nhiên từ hộp 2 bi cùng lúc. Tính xác suất để có ít n...

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