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https://yapwn.com/archives/%E5%A6%82%E4%BD%95%E7%90%86%E8%A7%A3%E6%9E%81%E5%A4%A7%E4%BC%BC%E7%84%B6%E4%BC%B0%E8%AE%A1%EF%BC%9F/#more
1 引入首先,来看这样一个例子: 一口袋中有许多红球和白球,只知道数目比例为$1:3$,不知道哪种多,通过实验来判断红球占的比例是$\frac{1}{4}$还是$\frac{3}{4}$。 今用有放回抽取的方法从口袋中抽取$n$个球,将红球的个数记为$X$,则$X$服从二项分布$B(n,p)$。如何由实验结果来估计$p$的值? 现在假设有这样一个实验结果:从口袋中抽取了100个球,其中红球的个数为
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https://yapwn.com/archives/%E5%A6%82%E4%BD%95%E7%90%86%E8%A7%A3%E6%9E%81%E5%A4%A7%E4%BC%BC%E7%84%B6%E4%BC%B0%E8%AE%A1%EF%BC%9F/#more
1 引入首先,来看这样一个例子: 一口袋中有许多红球和白球,只知道数目比例为$1:3$,不知道哪种多,通过实验来判断红球占的比例是$\frac{1}{4}$还是$\frac{3}{4}$。 今用有放回抽取的方法从口袋中抽取$n$个球,将红球的个数记为$X$,则$X$服从二项分布$B(n,p)$。如何由实验结果来估计$p$的值? 现在假设有这样一个实验结果:从口袋中抽取了100个球,其中红球的个数为
The text was updated successfully, but these errors were encountered: