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【简答题】
一教授当下课铃打响时,还不结束讲解,他铃响后的两分钟内结束他的讲解。以 X 表示铃响至他结束讲解的时间。设 X 的概率密度为 。 求: (1) 确定常数 c ; (2) 求概率 ; (3) 求概率 .
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【判断题】Any international shifts in the ownership of liquid funds, such as an interest-earning deposit or even a check or cash that does not pay interest are lọng-term capital flows.()
A.
正确
B.
错误
【单选题】Included within the financial assets of Zinet Co at 31 March 20X9 are the following two recently purchased investments in publicly traded equity shares:Investment 1 -10% of the issued share capital of...
A.
In profit or loss for both investments
B.
In other comprehensive income for both investments
C.
In profit or loss for investment 1 and in other comprehensive income for investment 2
D.
In other comprehensive income for investment 1 and in profit or loss for investment 2
【多选题】下列关于数据库范式说法正确的是( )
A.
1NF遵从原子性和唯一性,且字段不可再分
B.
2NF要求非主键字段需要依赖主键
C.
3NF要求非主键字段不能相互依赖
D.
各个范式之间互不依赖,只需满足当前范式的要求即可
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