Mathematics, 04.08.2021 16:40 Savageman4654
Lần I rút 2 lá bài trong bộbài 52 lá đểtrên bàn. Lần II rút thêm 2 lá nữa đểtrên bàn. Sau đó khoanh NN 2 lá. X là sốlá cơcó trong 2 lá khoanh saucùng. a/ Tìm phân phối XS của Xb/ Tính XS trong 2 lá đó chỉcó 1 con cơ
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Lần I rút 2 lá bài trong bộbài 52 lá đểtrên bàn. Lần II rút thêm 2 lá nữa đểtrên bàn. Sau đó khoanh...
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