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Helen plays a game at an amusement park in which each player can win prizes valued at $$$1$$, $5 or $10$$. If she plays the game 3 times and wins a prize at least twice, which of the following could be the total value of the prizes won?
Indicate all such values.
Indicate all such values.
A,C,D,F显示答案
· 相关考点
1.1.2 凑整
6.4.5 概率中的集合问题
以上解析由 考满分老师提供。
