英语翻译Three fair six-sided dice are rolled.what is the probabi
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英语翻译
Three fair six-sided dice are rolled.what is the probability that the values shown on two of the dice sum to the value shown on the remaining die?
Three fair six-sided dice are rolled.what is the probability that the values shown on two of the dice sum to the value shown on the remaining die?
问:有三个相同的六面骰子.当其中两个骰子示数之和为另一个骰子示数时,求其概率.
列出可能情况:1,1,2 1,2,3 1,3,4 1,4,5 1,5,6
2,2,4 2,3,5 2,4,6 3,3,6
然后计算:(3*3+3*2*6)/(6*6*6)=5/24
(如有疏漏,欢迎指正)
列出可能情况:1,1,2 1,2,3 1,3,4 1,4,5 1,5,6
2,2,4 2,3,5 2,4,6 3,3,6
然后计算:(3*3+3*2*6)/(6*6*6)=5/24
(如有疏漏,欢迎指正)
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