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An urn contains 4 red balls, 8 green balls and 2 yellow balls. Five balls are randomly selected WITH replacement from the urn. What is the probability that 1 red ball, 2 green balls, and 2 yellow balls will be selected?
Give your answer as a fraction.
Give your answer as a fraction.
960 /16807显示答案
· 相关考点
6.4.3 独立事件 6.3.8 其他特殊排列组合技巧
6.4.3 独立事件
6.3.8 其他特殊排列组合技巧
以上解析由 考满分老师提供。
