Mathematics
Mathematics, 17.06.2021 04:10, ilovebeans25423

Bạn Nam có một hộp bi gồm 2
viên bi màu đỏ và
4
viên bi màu trắng. Bạn Định
cũng có một hộp bi giống như của bạn Nam. Từ hộp của mình, mỗi bạn chọn ngẫu nhiên
3
viên
bi. Xác suất để trong các viên bi được chọn luôn có bi màu đỏ và số bi đỏ của hai bạn bằng
nhau là

answer
Answers: 1
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Bạn Nam có một hộp bi gồm 2
viên bi màu đỏ và
4
viên bi màu trắng. Bạn Định
...

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