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Mathematics, 12.09.2021 14:00 pupucitomarron

Lớp có 10 sinh viên giỏi toán, 7 sinh viên giỏi anh và 3 sinh viên vừa giỏi toán, giỏi anh.
A là biến cố sinh viên giỏi toán .
B là biến cố sinh viên giỏi anh.
Tìm C = biến cố sinh viên giỏi 2 môn = ?
D = biến cố sinh viên giỏi ít nhất 1 môn = ?

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Lớp có 10 sinh viên giỏi toán, 7 sinh viên giỏi anh và 3 sinh viên vừa giỏi toán, giỏi anh.
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