diff --git a/module2/exo2/exercice.ipynb b/module2/exo2/exercice.ipynb
index b3bd9cf95b1775a738dfdf65339390b301533461..173dcc332f951248bf6c433679fb0d55f960b011 100644
--- a/module2/exo2/exercice.ipynb
+++ b/module2/exo2/exercice.ipynb
@@ -137,7 +137,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 29,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [
     {
@@ -154,16 +154,38 @@
     }
    ],
    "source": [
-    "plt.hist(A, bins=10)\n",
+    "plt.hist(A)\n",
     "plt.show()"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 35,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "100\n"
+     ]
+    }
+   ],
+   "source": [
+    "Size_A = np.size(A)\n",
+    "print(Size_A)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "# mean = 14.11\n",
+    "# std = 4.33\n",
+    "# number of points = 1\n"
+   ]
   }
  ],
  "metadata": {