设随机变量与与 与
设随机变量与 高老师2年前 (2024-03-26)概率论与数理统计(经管类)(04183)14
设随机变量与独立且,,则称的分布为自由度为n的( )
A.分布
B.t分布
C.F分布
D.二项分布
正确答案是B
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