单项选择题
At the beginning of the film Legends of the Fall, which word is proper to describe the relationship among brothers? A.
Suspicion. B.
Affection. C.
Jealousy. D.
Respect.
At the beginning of the film Legends of the Fall, which word is proper to describe the relationship among brothers? A.
Suspicion. B.
Affection. C.
Jealousy. D.
Respect.
，其服从均值为
的泊松分布。如果参数
是一个由工厂的运作情况决定的随机变量，并且服从
的均匀分布，则
为（ ）。
is
