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[复旦大学] 复旦大学2000年应用概率统计
四假设国际市场上每年对我国某种商品的需求量是随机变量Y(单位:吨),它服从(2000,,4000)上的均匀分布,设每售出这种商品一吨,可为国家挣得外汇3万元,若销售不出而囤积于仓库,则每吨需花费保养费1万元,试问需组织多少货源,才能使国家的收益最大?2014-06-02 编辑:max
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2014-06-02 编辑:max