Suppose 10 couples attend an event,and all 20 people enter a raffle.Four of the 20 peopleare selected at random to win $10 in the raffle.What is the probability that at least onecouple takes home $20,which will occur if both the husband and wife win

13.Suppose that 10 people attend a gathering.(a) Suppose the 10 people consist of 5 couples (each consisting of a husband and a wife).If the men and women are paired up at random,with each pair consisting of a manand a woman,what is the probability t Suppose 10 couples attend an event,and all 20 people enter a raffle.Four of the 20 peopleare selected at random to win $10 in the raffle.What is the probability that at least onecouple takes home $20,which will occur if both the husband and wife win a couple of weeks 正确还是couples of weeks 正确 the old couples journey around the world starts from their hometown on july 10th and lasts about half a year 为什么不用started confusing..what does long distance for long time may create conflicts between couples mean?why why not say separating for a long time may create conflicts between couples? couple of times a couple of time a couple time couples of times 英语翻译a provision denying federal benefits to legally married same-sex couples. 我们是夫妻 英语怎么说?是we are a couple?还是we are couples? a couple of days和couples of days的区别是什么 couples of 和 a couple of 的区别要具体说明,最好有举例 La majorite des couples a moins de deux enfants.啥意思? I suppose you could give a talk instead of Jack.suppose为什么不要用过去式? non-mainstream couples意思 couples therapy是什么意思 Love,is to a pair of strangers into a couple,and then couples back into a stranger's silly Love,is to a pair of strangers into a couple,and then couples back into a stranger's silly games Do you think that married couples have a better life without children?I want to know yours opinions,and why? Do you think that married couples have a better life without childern?say your opinion ,and why?