[第一节 大数定律](%E7%AC%AC%E4%B8%80%E8%8A%82%E5%A4%A7%E6%95%B0%E5%AE%9A%E5%BE%8B.md) [第二节 中心极限定理](%E7%AC%AC%E4%BA%8C%E8%8A%82%E4%B8%AD%E5%BF%83%E6%9E%81%E9%99%90%E5%AE%9A%E7%90%86.md)