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【多选题】
对于误差说法正确的是( ):A.
误差总是存在的
B.
误差是完全可以消除的
C.
系统误差不具有累积性
D.
偶然误差可以通过一些方法加以消除
E.
:A
F.
程度:中
G.
)多项选择题及参考答案
H.
下列关于偶然误差的说法中,属于正确说法的是( ):
I.
在一定的观测条件下,偶然误差的绝对值不会超过一定的界限
J.
绝对值大的误差比绝对值小的误差出现的概率要小 K. 绝对值相等的正负误差出现的概率相等 L. 偶然误差具有积累性,对测量结果影响很大,它们的符号和大小有一定的规律
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【单选题】Assume that the current spot price per ounce of gold is $1200, the future price for delivery of one ounce of gold in one year is $1320, and the annual storage cost of the gold is 2% of the current spo...
A.
2%
B.
8%
C.
10%
D.
12%
【简答题】Write your translatio.(翻译) If you pay enough attention to your surroundings, you might find all kinds of posters on campus. There are various activities like talent shows, speech contests and school p...
【单选题】Assume the following: the current spot rate S$/£ = 2.00 and the annual interest rates: iUS = 4% and iUK = 8%. According to covered interest parity, if an intern at a bank in U.K. sets the 90-day forwa...
A.
the intern has correctly set the forward rate.
B.
both U.S. and U.K. investment returns are equal.
C.
the British investment return exceeds the U.S. investment return
D.
the U.S. investment return exceed the British investment return
【单选题】The spot price of the market index is $900. After 3 months the market index is priced at $920. The annual rate of interest on treasuries is 4.8% (0.4% per month). The premium on the long put, with an ...
A.
$921.90
B.
$930.00
C.
$938.10
D.
$940.00
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