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note was incorrect

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Caleb Burke
2026-05-27 17:52:03 -07:00
parent 12668a41cc
commit 00bd6e7220
1 changed files with 2 additions and 2 deletions
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study/001_introduction-to-probability-statistics-and-random-processes/ch2/notes.ipynb
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@@ -57,9 +57,9 @@
"\n",
"- **ordered sampling with replacement:** $n^k$\n",
"\n",
"- **ordered sampling without replacement:** $n$ choose $k$ $\\quad$ ie $\\binom{n}{k} = \\frac{n!}{k!(n-k)!}$\n",
"- **ordered sampling without replacement:** $n$ permute $k$ $\\quad$ ie $P^n_k = \\frac{n!}{(n - k)!}$\n",
"\n",
"- **unordered sampling without replacement:** $n$ permute $k$ $\\quad$ ie $P^n_k = \\frac{n!}{(n - k)!}$\n",
"- **unordered sampling without replacement:** $n$ choose $k$ $\\quad$ ie $\\binom{n}{k} = \\frac{n!}{k!(n-k)!}$\n",
"\n",
"- **unordered sampling with replacement:** $\\binom{n + k - 1}{k}$"
]