gianggd840 gianggd840

23-07-2021
Mathematics

contestada

Ba sinh viên A, B, C cùng làm bài thi một cách độc lập. Xác suất làm được bài thi của sinh viên A, B, C tương ứng là 0,6; 0,7 và 0,9. Tính xác suất để có ít nhất 1 sinh viên làm được bài.

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huygiang0412 huygiang0412

25-07-2021

Answer:

2 sinh viên sẽ làm đc 0,452

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