Mathematics, 16.06.2021 19:20 NREYESLDS2806

Ba thi sinh Cau, Binh, An, docj lap tham gia cuoc thi giong hat hay. Gia su kha nang vao vong 2 cua ba thi sinh lan luot la 0.6, 0.8, 0.7. Tinh xac suat: Ca 3 deu vao duoc vong 2; co nhieu nhat 2 thi sinh vao duoc vong 2.

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Ba thi sinh Cau, Binh, An, docj lap tham gia cuoc thi giong hat hay. Gia su kha nang vao vong 2 cua...