diff --git a/2nd/05_Introduction_Probabilites/4E_simulation.ipynb b/2nd/05_Introduction_Probabilites/4E_simulation.ipynb
new file mode 100644
index 0000000..363fcab
--- /dev/null
+++ b/2nd/05_Introduction_Probabilites/4E_simulation.ipynb
@@ -0,0 +1,6 @@
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+}