General Keen says U.S.troops are working to assume more responsibility for aid distribution, which will allow U.N.peacekeepers in Haiti to focus on security concerns.

VOA: standard.2010.01.18

If you wrote only one policy, what's the probability distribution of x/n?

如果你只签了一份保单,那么x/n的概率分布是怎样的?

耶鲁公开课 - 金融市场课程节选

What is the probability distribution for x/n in that case?

在这样的情况下,x/n的概率分布是怎样的

耶鲁公开课 - 金融市场课程节选