doanmaiphuong888 doanmaiphuong888
  • 15-06-2021
  • Mathematics
contestada

một lớp có 60 sinh viên nữ và 30 sinh viên nam. Kiểm tra ngẫu nhiên n - 21 sinh viên . tìm xác suất để trong đó
a, có 6 sinh viên nam

Respuesta :

tranthiquynhnhu123ht tranthiquynhnhu123ht
  • 16-06-2021

Answer:

Step-by-step explanation:Một lớp có 60 sinh viên nữ và 30 sinh viên nam. Kiểm tra ngẫu nhiên n - 21 sinh viên . tìm xác suất để trong đó

a, có 6 sinh viên nam

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