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test
| Published by rcdfrd test
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gentoo 安装
| Published by rcdfrd # Gentoo
[ -d /sys/firmware/efi ] && echo UEFI || echo BIOS
cfdisk
mkfs.ext4 /dev/nvme0n1p1
mkfs.ext4 /dev/nvme0n1p2
mkdir /mnt/gentoo
mount /dev/nvme0n1p2 /mnt/gentoo
mkdir /mnt/gentoo/boot
mount /d
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概率初步(续)
| Published by rcdfrd 概率初步(续)
条件概率公式
$$
P(B \mid A)=\frac{P(B \cap A)}{P(A)}
$$
$$
P(B \cap A)=P(A) P(B \mid A)
$$
全概率公式
$$
P(A)=\sum_{k=1}^n P\left(A \mid \Omega_k\right) P\left(\Omega_k\right)
$$
分布的形式
$$
\left(\be
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