Mathematics, 22.07.2021 20:40 andykuzy5447

Một bộ đề cương gồm 15 câu .Đề thi sẽ được chọn ngẫu nhiên 4 câu trong 15 câu này .Một sinh viên đã ôn được 10 câu .Tính xác xuất để sinh viên trả lời ít nhất 1 câu khi làm bài thi

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Một bộ đề cương gồm 15 câu .Đề thi sẽ được chọn ngẫu nhiên 4 câu trong 15 câu này .Một sinh viên đã...

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