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Mathematics, 17.06.2021 19:10 marifermolina

Trọng lượng một sp là bnn pp chuẩn với trung bình là 20,5 và độ lệch chuẩn là 2. Lấy ngẫu nhiên 4 sp để kiểm tra thì với xs 0,95 trọng lượng trung bình của chúng sai lệch so với trọng lượng quy định tối đa là bao nhiêu?

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Trọng lượng một sp là bnn pp chuẩn với trung bình là 20,5 và độ lệch chuẩn là 2. Lấy ngẫu nhiên 4 sp...
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