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【简答题】
随机抽取某产品n件，测得其长度分别为a 1 ，a 2 ，…，a n ，则如下图所示的程序框图输出的s=（ ），s表示的样本的数字特征是（ ）。 （注：框图中的赋值符号“=”也可以写成“←”或“：=”）
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反馈参考答案：
举一反三
【单选题】A call option is:
A.
the right to sell at a specific price
B.
the right to buy at a specific price
C.
an obligation to buy at a certain price.
【单选题】Consider the graph of a call option shown at right. The option is a three-month American call option on €62,500 with a strike price of $1.20 = €1.00 and an option premium of $3,125. What are the value...
A.
A = –$3,125 (or –$.05 depending on your scale); B = $1.20; C = $1.25
B.
A = –€3,750 (or –€.06 depending on your scale); B = $1.20; C = $1.25
C.
A = –$.05; B = $1.25; C = $1.30
D.
none of the above
【单选题】Why do installers tend to work with large companies?
A.
Because it is more economically efficient.
B.
Because smaller companies are in the dark.
C.
Because large companies offer better prices.
D.
Because the government offers attractive incentives.
【单选题】Assume S = $31.75, div = 0, r = 0.03, and σ= 0.20, and 90 days until the expiration of a standard call option. A call on call compound option with an exercise price of $2.00 has 180 days until expirat...
A.
$1.46
B.
$2.46
C.
$3.04
D.
$3.53
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