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问题 填空题

加权移动平均预测法是对市场现象观察值按（）的远近，给予不同的（），并求其按（）计算的移动平均值，以移动平均值为（）进行预测的方法。

答案

参考答案：距预测期；权数；加权；基础

单项选择题

OptiX 2500+传输设备对E1/T1电接口1：N保护最大支持（）。

A、1：8保护

B、1：7保护

C、1：6保护

D、1：5保护
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单项选择题

Which of the following statements concerning security valuation is least accurate（）

A. A stock with a dividend last year of $ 3.25 per share, an expected dividend growth rate of 3.5%, and a required return of 12.5% is estimated to be worth $36.11.

B. A stock to be held for two years with a year-end dividend of $2.20 per share, an estimated

value of $20.00 at the end of two years, and a required return of 15% is estimated to be worth $18.70 currently.

C. A preferred stock with a dividend of $3.00 per share and a required return of 11.5% is estimated to be worth $ 26.09 currently.
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