Despite having received positive reviews by industry critics, sales of the digital MP3 player have been quite _______(disappoint).
Q表示产量,成本C(Q)=100+13Q，单价p，需求量Q(p)=800/P+3-2则工厂取得利润最大时的产量为_____
Some25,000peoplewerereported______intheeverrecordedworstearthquakeinIran,whichoccurredlatethismonth.
Wemustrememberthat_____fashionisnotthemostimportantthingin_______life.
设随机变量(X,Y)服从二维正态分布N(0,0;1,4;-1/2),随机变量中服从标准正态分布且与X独立的是()
