连续抛掷2个骰,求所得两个骰子的点数之和的概率分布?
人气:239 ℃ 时间:2019-11-08 09:52:20
解答
P(X=2)=1/36
P(X=3)=2/36
P(X=4)=3/36
P(X=5)=4/36
P(X=6)=5/36
P(X=7)=6/36
P(X=8)=5/36
P(X=9)=4/36
P(X=10)=3/36
P(X=11)=2/36
P(X=12)=1/36
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