回复: 征集答案:一道看似简单的数学题
a simple simulation can show some interesting thing:
- 用“大”和“小”表示,做10000次实验,重复10次:
换的概率都接近50%:
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
bit 0.4959 0.4932 0.4954 0.5011 0.5084 0.5037 0.5018 0.5041 0.5026 0.4978
ton 0.5041 0.5068 0.5046 0.4989 0.4916 0.4963 0.4982 0.4959 0.4974 0.5022
不换的概率也是这样:
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
bit 0.5041 0.5068 0.5046 0.4989 0.4916 0.4963 0.4982 0.4959 0.4974 0.5022
ton 0.4959 0.4932 0.4954 0.5011 0.5084 0.5037 0.5018 0.5041 0.5026 0.4978