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啃词典

probability

生词本

使用频率:

词汇等级:四级, 雅思

n. 可能性, 或然率, 概率, 几率, 机率

复数:probabilities

视频例句

实用例句

  • This puzzled people. People thought, well doesn't the price of an option have to depend on the probability that it will come in the money?

    这不免令人生疑。大家会觉得,期权的价格难道不应取决于其成为价内期权的概率吗?

    Financial Markets - 金融市场
  • What do you think is the probability of being-- remember, being ruined means having your inventory fall to zero.

    你觉得破产的可能性...记住,破产意味着财产归零了。

    Financial Markets - 金融市场
  • This is actually easy to derive because--think of it this way-- we'll call this the probability of ruin, if you have S dollars.

    这其实很好解释,因为...这样想...我们称这是,你在S美元下的破产概率。

    Financial Markets - 金融市场
  • That is the probability-- this is the probability of ruin if you have S + 1$ and this is the probability of ruin if you have S - 1$.

    这就是...这是S+1美元下的破产概率这是S-1美元下的破产概率。

    Financial Markets - 金融市场
  • Also, we have the restraint-- the probability of ruin if you have zero dollars is 1, so this is a difference equation.

    我们还有这个限制...就是0美元的破产概率等于1,这是另外一个方程。

    Financial Markets - 金融市场
  • Unfortunately, it's hard to get the probability of winning in any one trade much up above a half because you're living in a competitive marketplace.

    不幸的是,在任何一桩交易中要想使赚钱的概率都能高于0.5是十分困难的因为你处在一个竞争激烈的市场里。

    Financial Markets - 金融市场
  • So, you may have been very successful and you now have S = 1000, but the probability keeps going down, but it never hits zero.

    也许你事业相当成功,有了S=1000的资金,破产概率一直下降,但是不会降到0。

    Financial Markets - 金融市场
  • They have to set the bid-asked spread wide enough so that they feel comfortable enough with this probability of ruin.

    他们设置的买卖差价,差价必须足够宽泛这样他们才不至于在破产概率前郁郁不安。

    Financial Markets - 金融市场
  • How wide is the band of stuff that has a 95% probability or a 98% probability usually 95% or 98%, but not 99.9%.

    比如说以95%或者98%的可能性结果会落在多大的范围内通常是95%或者98%,不会是99.9%。

    Financial Markets - 金融市场
  • If the company gets too leveraged then there's too high a probability that the company will fail and there are costs to bankruptcy.

    如果公司的杠杆率太高那么公司倒闭的可能性会极高然后会产生破产费用。

    Financial Markets - 金融市场
  • People might give that a low probability because it had never been over 10,000, so they just had no psychological anchoring on that number.

    人们也许会认为几率不大因为道指从未突破万点,所以人们心理对这个数字没有锚定效应。

    Financial Markets - 金融市场
  • Prospect One--I'm going to toss a four-sided coin and if it comes up with a probability of one-fourth, in a certain way, you will win $3,000.

    前景一,假设有一种四面硬币如果在抛硬币游戏中你猜对了即概率为25%,当然,你会赢得三千美元。

    Financial Markets - 金融市场
  • So, we have the weight --that's weight not wealth here--against the probability and I'm going to exaggerate a little bit.

    那么纵轴这里因变量是权重是权重不是财富,自变量是概率我再具体一点。

    Financial Markets - 金融市场
  • I wanted to talk about that with a little bit of reference to probability theory and so that's what I will be covering.

    讲到这些内容的时候会涉及一些概率论的知识这些就是下一讲的内容。

    Financial Markets - 金融市场
  • If you had a course in probability and statistics, then you'll find it easy to follow, but it's self-contained again.

    如果你们学过统计学或者概率论,你们会比较容易理解,也需要你们独立学习。

    Financial Markets - 金融市场
  • The mathematical theory of probability was unknown until that time and you can see that insurance suddenly made an appearance at that time.

    在那之前,概率的数学理论是不存在的而随着概率论的出现保险业也突然出现了。

    Financial Markets - 金融市场
  • Now, you're familiar with that concept, right? If someone says the probability is .55 or .45, well you know what that means.

    现在,你们觉得这个概念似曾相识了吧?如果有人提到概率是0.55或者0.45,你就知道他说的是什么意思了。

    Financial Markets - 金融市场
  • This will generalize to probability of A and B and C equals the probability of A times the probability of B times the probability of C and so on.

    简单的说,A和B和C同时发生的概率等于A发生的概率乘以B发生的概率乘以C发生的概率,以此类推。

    Financial Markets - 金融市场
  • I want to emphasize that it hasn't always been that way and that probability is really a concept that arose in the 1600s.

    我想说,概率的表述并非一贯如此这个概念成型于十七世纪。

    Financial Markets - 金融市场
  • If you follow through from the independent theory, there's one of the basic relations in probability theory-- it's called the binomial distribution.

    如果继续往下看,在概率论里有一个基本的概念叫做二项分布。

    Financial Markets - 金融市场

实用词组

同根词

同义词

probability analysisn. 概率分析

high probability高可能性

error probability错误概率;概率误差

probability and statistics概率论与数理统计;概率与统计

joint probability联合机率,联合概率

probability density概率密度;几率密度

probability of failure故障几率;失效概率;崩塌概率

damage probability损伤概率

probability density function机率密度函数;概率密度分布函数

probability theory概率论

failure probability失效概率

conditional probability条件概率;条件几率

probability statistics概率统计

in all probability多半,很可能

detection probability探测概率;发现概率

posterior probability后验概率;事后概率

theory of probability概率论

transition probability转移概率;跃迁概率

probability distribution function概率分布函数

probability distribution概率分布

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