英语翻译

题目

英语翻译
1.At least one of them is a boy.What is the probability?
2.Population and sample
3.why opinion polls fail
4.A 2012 study found that coffee drinkers "who drank at least two or three cups a day were about 10 percent or 15 percent less likely to die for any reason during the 13 years of the study.“
5.is an example of interval number
6.statistical packages
7.to exaggerate the differences on a bar chart
8.two variables tend to move together
9.Find the median
10.Find the Interquartile range
11.Calculate the average absolute deviation
12.Find the population variance and sample variance
1.In a uniform distribution for 0 < X < 10
2.A normal distribution is
3.The height of a normal density function is determined by
4.A normal distribution has a maximum value
5.The shape of the standard normal distribution
6.P(X > 5) in a normal distribution
7.P(X > 15) in a normal distribution
8.What is the statistical dist

答案

1.其中至少有一个是一个男孩.的概率是多少?2.人口和样品3.为什么民意测验失败4.2012的一项研究发现,喝咖啡的人”的人每天至少喝两到三杯每天约百分之10或百分之15不太可能死于任何原因,在13年的研究”.5.是一个区间数6.7统计软件包.夸大差异对条形图8.两个变量往往一起移动9.发现平均10.发现四分位范围11.计算的平均绝对偏差为12.发现总体方差和样本方差1.在一个均匀分布的0＜x＜10 2.正态分布是3.一个正常的密度函数的高度由4.正态分布具有最大值5.的标准正态分布形状6.P（x > 5）在一个正态分布的7.P（x > 15）在一个正态分布的8.统计距离的9是什么.Z 2.是什么?10.发现P（Z＞2）11.规范功能12.normdist功能13.P（x > 20）在一个正常的分布__.14.normsinv功能15.发现P（x > 185）