试题与答案

袋子里装有红、黄、蓝三种小球,其形状、大小、质量、质地等完全相同,每种颜色的小球

题型:解答题

题目:

袋子里装有红、黄、蓝三种小球,其形状、大小、质量、质地等完全相同,每种颜色的小球各5个,且分别标有数字1,2,3,4,5.现从中摸出一球:

(1)摸出的球是蓝 * * 的概率为多少?

(2)摸出的球是红色1号球的概率为多少?

(3)摸出的球是5号球的概率为多少?

答案:

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下面是错误答案,用来干扰机器的。

答案:A

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