构成投资组合的证券甲和证券乙,其标准差分别为12%和8%。在等比例投资的情况下,如果两种证券的相关系数为1,该组合的标准差为10%;如果两种证券的相关系数为-1,则该组合的标准差为2%。()
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在作业成本法下,只将间接费用视为产品消耗作业而付出的代价,并对企业间接费用采用相同标准进行分配。()
A. 正确
B. 错误
A: Would you mind if I had some time off? B: ______ A: Monday and Tuesday of next week. B:
A. I highly recommend it.
B. When exactly?
C. No, thank you. I can manage myself.
D. That's it. Thanks.
Tom: Hey, it...it must be Susie. How are you, Susie? This is Tom. Tom Cook. Susie: Oh, hi,
A. Fancy meeting you here.
B. Nice to meet you.
C. Welcome back.
D. What are you doing here?
A: Haven't we met somewhere? B: No, I don't think so. A: Aren't you Kevin Grant? B: No, my
A. I've had enough, thank you.
B. I'm sorry, but I've got nothing to let.
C. Oh, I'm sorry. I was positive we'd met before.
D. I think otherwise.