A.F0.05,10,20 = 1/F0.95,10,20
B.F0.05,10,20 = 1/F0.05,20,10
C.F0.95,10,20 = 1/F0.95,20,10
D.F0.95,10,20 = 1/F0.05,20,10
您可能感兴趣的试卷
你可能感兴趣的试题
A.第一类错误被称为弃真错误
B.第一类错误被称为纳伪错误
C.第二类错误是原假设不正确,但却被接受的错误
D.第一类错误是原假设正确,但却被拒绝的错误
A.2.14
B.5.66
C.7.28
D.15
A.7%
B.8%
C.9%
D.10%
A.样本空间
B.事件
C.实验
D.概率
A.95%
B.89%
C.68%
D.99%
A.
B.
C.
D.
某汽车交易市场共发生了150项交易,将销售记录按付款方式及汽车类型加以区分如下:
如果从销售记录中随机抽取一项,该项是分期付款的概率是()
A.0.95
B.0.5
C.0.8
D.0.25
五位部门经理的年收入如表:
要描述五位部门经理的年收入的一般水平, 用()来测度这一集中趋势比较合适。
A.众数
B.中位数
C.平均数
D.极差
最新试题
The number of class intervals in a frequency distribution is usually between ().
One advantage of a stem and leaf plot over a frequency distribution is that ().
对某班级学生的生活状况进行统计调查,下列标志中属于不变标志的是()
要了解某地区全部大学生的就业情况,那么()
A cumulative frequency distribution would provide().
品合格率指标是()
Simon Arnett, Director of Human Resources, is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year (1 January 2005 to 31 December 2005). Personnel records of 50 employees are selected for analysis. (The plant employs 250.) For this study, the average number days absent for these 50 employees is a ().
If the individual class frequency is divided by the total frequency, the result is the ().
A summary measure that is computed from a sample to describe a characteristic of the population is called()
Which of the following statements is not true?()