概率是新教材的新增内容 ,是新课程高考的一大亮点 .一方面它是现代应用数学的重要分支 ,另一方面它是重要的知识网络交汇点 ,能很好地实现学科内 ,甚至学科外知识的渗透、融合 ;常常背景新颖 ,颇有深度 ,凸现了新课程改革的发展要求和应用特色 ,具有素质教育的良好导向 .而认 Probability is a new content of the new textbook and is a major highlight of the new college entrance examination. On the one hand, it is an important branch of modern applied mathematics. On the other hand, it is an important meeting point for knowledge networks and can be well implemented within the discipline, even The infiltration and integration of extra-disciplinary knowledge; often with new backgrounds and depths, highlights the development requirements and application characteristics of the new curriculum reform, and has a good orientation for quality education.