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排列组合 Flipping a fair coin
Flipping a fair coin.Assume that the coin is flipped 7 times.
What is the probability that both heads and tails occur?
Thank you~
人气:450 ℃ 时间:2020-06-16 00:40:16
解答
翻转硬币.假设硬币被翻转的7倍,什么是概率,头和尾巴的发生?p=1-(2的7次方分之)-(2的7次方分之1)=126/128=63/64
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