Mathematics, 11.10.2021 19:50 BookandScienceNerd
:Từ một lớp có 8 nữ sinh viên và 12 nam sinh viên, người ta chọn ngẫu nhiên 5
sinh viên để lập Ban cán bộ lớp. Tính xác suất để:
a) Ban cán bộ lớp gồm 3 nữ và 2 nam.
b) Ban cán bộ lớp có ít nhất một nữ.
c) Ban cán bộ lớp có ít nhất hai nam và hai nữ
Answers: 2
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:Từ một lớp có 8 nữ sinh viên và 12 nam sinh viên, người ta chọn ngẫu nhiên 5
sinh viên để lập Ban...
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