Odds makers try to predict which football team will win and

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/10 08:36:15

Odds makers try to predict which football team will win and by how much( the spread).If they are correct,adding the spread to the loser's score would produce a tie.Suppose you can win $6 for every dollar you bet if you can predict the winner of three consecutive games.What is your expected value for this bet?

6*1/8-1*7/8
=-1/8
成功获得的钱乘以成功的概率-失败的钱乘以失败的概率.
概率建立在一支对赢一场的概率是1/2,而且每场比赛是独立事件的基础上.
不是很确定,若不对请告诉我一下.

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