They found that forty-one percent of the profiles chosen at random included information about alcohol or drug use.

VOA: special.2009.02.18

It was a randomly cut apart-- kind of like Yale College is actually, where you get a random assortment of people.

他们是随机分队的-,这有点像耶鲁大学，你被随机地分到和别人一组。

耶鲁公开课 - 心理学导论课程节选

uniform So here, I'm going to look at the thing random dot uniform, for example, between minus volatility and plus volatility.

所以在这里，我会看到random。,比方说，在-浮动性值+浮动值之间。

麻省理工公开课 - 计算机科学及编程导论课程节选

And testers threw large, inflatable dolls - representing children - in front of the cars at random mements to test the driver's reaction time.

VOA: standard.2010.06.24

This refers to random variables that have fat-tailed distributions-- random variables that occasionally give you really big outcomes.

这就表示,服从长尾分布的随机变量,这些数据出现极端值的概率比较大

耶鲁公开课 - 金融市场课程节选

The powerful council, which supervises elections and has wide-ranging powers in the Islamic government, said a random recount of 10 percent of the ballot boxes nationwide upheld Mr.Ahmadinejad's landslide victory over reformist challenger Mir Hossein Mousavi.

VOA: standard.2009.06.29

So for example, just for example-- a random example: My girlfriend leaves me, alright?

随便举个例子：,女朋友离开了我？

哈佛公开课 - 幸福课课程节选

GAO mentions one non-random survey showing that 21 percent of recent Cuban migrs listened to TV Marti within six months before leaving Cuba, but GAO says these results likely do not represent the actual size of TV Mart's audience.

VOA: standard.2009.06.18

The children were chosen at random but the children who were described as showing-- as expected to show a jump in IQ, in fact, did show a jump in their IQ scores and this isn't magic.

这些孩子都是随机挑选的,那些被说成很聪明的孩子-,老师期望他们的智力会有大提高，结果他们的智力真的大大提高了,这并不是魔法。

耶鲁公开课 - 心理学导论课程节选

But an even more astounding result for us from this survey, which encompassed 1,000 adults a random telephone survey in January of this year, was that over 800 of the respondents - that's over four out of five people - say they are still buying green products, still buying green products in a very severe recession."

VOA: standard.2009.03.30

Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.

那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It could be that a random distribution-- I don't have colored chalk here I don't think, so I will use a dash line to represent the fat-tailed distribution.

这是一个随机分布,这里没有彩色粉笔,我就用虚线,来表示长尾分布

耶鲁公开课 - 金融市场课程节选

A random-- a uniform, and a Gaussian.

一种随机的一种均匀分布和一种高斯分布。

麻省理工公开课 - 计算机科学及编程导论课程节选

You have discrete random variables, like the one I just defined, or there are also--which take on only a finite number of values-- and we have continuous random variables that can take on any number of values along a continuum.

就像刚定义的,是一个离散型随机变量,随机变量还可以有无限种取值,也就是连续型随机变量,随机变量可以取某一区间的一切值

耶鲁公开课 - 金融市场课程节选

When you look at a random walk you have the intuitive impression that you can extrapolate it -that it doesn't look like -you can't believe it's really random, but the reason you can't is because you overweigh the probability of certain things that caught your attention.

当人们观察随机漫步序列时会有直观印象,并可以以此类推,虽然这看起来并不像...,人们不会觉得这是完全随机的,之所以如此,是因为,人们过分高估了特定事物发生的可能性,这吸引了人们的注意

耶鲁公开课 - 金融市场课程节选

Covariance is--we'll call it--now we have two random variables, so cov... I'll just talk about it in a sample term.

协方差是...我们有两个随机变量,x和y的协方差是,从样本的角度来说

耶鲁公开课 - 金融市场课程节选

The basic definition-- the expected value of some random variable x--E--I guess I should have said that a random variable is a quantity that takes on value.

最基本的定义,某一个随机变量X的期望值E,我应该提到过,随机变量是一个可以取值的数

耶鲁公开课 - 金融市场课程节选