[spec] inverse p-value and distance integral

diff --git a/spec/statistics.tex b/spec/statistics.tex
index dadaff7a8849fd2a6550aea4bc5c624306fe3b5f..bc64a9807a62a8c9c24a221623bb197cd7aca407 100644 (file)
--- a/spec/statistics.tex
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@@ -202,6 +202,10 @@
     \hline
   \end{tabularx}
 
+  \subsubsection*{Finding \(n\) for a given \(p\)-value}
+
+  Find \(c\) such that \(\Pr(Z \lessgtr c)\) such that \(c = \alpha\) (use \texttt{invNormCdf} on CAS).
+
   \subsection*{Significance level \(\alpha\)}
 
   The condition for rejecting the null hypothesis.