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Mathematics, 26.07.2021 08:40 donbright100

Cho X có phân phối nhị thức với n= 20 và p=0,4. Kỳ vọng của X là: A.4
B.6
C.8
D.10

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Cho X có phân phối nhị thức với n= 20 và p=0,4. Kỳ vọng của X là: A.4
B.6
C.8
...

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