应用Borel－Cantelli引理证明概率论中的两个重要结论

TWO IMPORTANT CONCLUSIONS IN APPLICATION OF THE LEMMA BOREL-CANTELLI TO THE PROBABILITY IDENTIFICATION

Ｂｏｒｅｌ—Ｃａｎｔｅｌｌｉ引理在概率论中有广泛的应用，本文应用它证明了概率论中的两个重要结论。

Borel-Cantelli's Lemma has an extensive application in probability. This paper proved two important conclusions in probability through utilizing Borel-Cantelli's Lemma.