设袋中有依次标着-2,-1,1,2,3,3数字的6个球,现从中任取一球,记随机变量X为取得的球标有的数字,求:(1)X的分布函数;(2)Y=X2的概率分布。
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Humans, unlike many other animals, are omnivores. We require both vegetable matter and meat to be fully healthy (although some humans manage to live reasonably healthily whilst consuming no animal products at all, finding their protein mainly in n