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Mathematics, 23.06.2021 04:40 Tcutety

Lần I rút 2 lá bài trong bộ bài 52 lá để trên bàn. Lần II rút thêm 2 lá nữa để trên bàn. Sau đó khoanh NN 2 lá. X là số lá cơ có trong 2 lá khoanh sau

cùng.

a/ Tìm phân phối XS của X

b/ Tính XS trong 2 lá đó chỉ có 1 con cơ.

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Lần I rút 2 lá bài trong bộ bài 52 lá để trên bàn. Lần II rút thêm 2 lá nữa để trên bàn. Sau đó kho...

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