搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1型题

下列指标中，随着研究样本量的增加而减少的是

A．有效性

B．选择偏倚

C．准确性

D．随机误差

E．系统误差

答案

参考答案：D

解析：一般说来，随机误差随样本量的增加而减小，其他指标则无明显关联。

单项选择题 A1/A2型题

液晶显示器的关键部件为（）

A.阴极射线管

B.液晶面板

C.液晶分子

D.背光光源

E.偏转装置
查看答案
问答题

ZAO Snack is a company that operates a popular chain of coffee shops in a large city. The company has grown rapidly but is now looking for additional fi nance to enable further expansion to be achieved.The three main shareholders have approached Vera, a wealthy entrepreneur, to encourage her to invest in the company.Vera has been impressed by the company and the vision of its owners, but has stated that she will only invest subject to certain conditions. Vera has informed the main shareholders that in order to provide the fi nance that is sought by them, she wants to take a minimum equity stake in the company of 10%. She also wants to be guaranteed a minimum annual dividend of 10%, which she notes from the most recent fi nancial accounts and projections would be easily affordable to the company.The main shareholders of the company have agreed to transfer 10% of the total shares in the company to Vera by decreasing their own shareholdings. However, they are concerned about the potential implications of offering her a 10% stake in the company, the minimum fi nancial stake that she requires and the minimum return that she wants the company to provide.Required:

(b) Discuss the potential consequences of the company guaranteeing Vera a minimum income of 10% from an investment in the company. (6 marks)
查看答案