diff --git "a/module3/exo3/exo \303\251valu\303\251 par les paires.ipynb" "b/module3/exo3/exo \303\251valu\303\251 par les paires.ipynb"
index 92a1332c80a74bb1014e2ee8d99c1169e8cdbf89..2ae356c5a0df6c857eb7ddc0ab6d6ede95ac2058 100644
--- "a/module3/exo3/exo \303\251valu\303\251 par les paires.ipynb"	
+++ "b/module3/exo3/exo \303\251valu\303\251 par les paires.ipynb"	
@@ -23,7 +23,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -46,7 +46,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -55,7 +55,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
@@ -523,7 +523,7 @@
        "[1314 rows x 3 columns]"
       ]
      },
-     "execution_count": 8,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -542,7 +542,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 9,
+   "execution_count": 5,
    "metadata": {},
    "outputs": [
     {
@@ -582,7 +582,7 @@
        "Index: []"
       ]
      },
-     "execution_count": 9,
+     "execution_count": 5,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -601,7 +601,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [
     {
@@ -626,6 +626,115 @@
     "Le taux de mortalité chez les non-fumeuses est de 31.4%, il est plus élevé que chez les fumeuses pour lesquelles il est de 23.8%. C'est un résultat étonnant."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "hideCode": true
+   },
+   "source": [
+    "### Question 2"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "     Smoker Status   Age\n",
+      "0       Yes  Alive  21.0\n",
+      "1       Yes  Alive  19.3\n",
+      "6        No  Alive  23.8\n",
+      "8       Yes  Alive  24.8\n",
+      "10      Yes  Alive  30.0\n",
+      "15       No  Alive  25.1\n",
+      "17       No  Alive  27.1\n",
+      "22       No  Alive  33.4\n",
+      "24       No  Alive  18.0\n",
+      "27       No  Alive  25.8\n",
+      "29       No  Alive  20.2\n",
+      "33       No  Alive  19.4\n",
+      "37      Yes  Alive  29.5\n",
+      "38      Yes   Dead  33.0\n",
+      "44       No  Alive  25.3\n",
+      "47       No  Alive  18.5\n",
+      "49      Yes  Alive  22.1\n",
+      "54       No  Alive  28.4\n",
+      "58       No  Alive  22.9\n",
+      "65      Yes  Alive  33.0\n",
+      "67      Yes  Alive  27.9\n",
+      "71      Yes  Alive  26.2\n",
+      "76       No  Alive  27.6\n",
+      "77      Yes  Alive  31.4\n",
+      "79       No  Alive  18.9\n",
+      "81      Yes  Alive  25.4\n",
+      "84       No  Alive  27.3\n",
+      "86       No  Alive  32.8\n",
+      "91       No  Alive  18.3\n",
+      "92      Yes  Alive  20.2\n",
+      "...     ...    ...   ...\n",
+      "1205     No  Alive  23.2\n",
+      "1207    Yes  Alive  31.4\n",
+      "1208    Yes  Alive  30.0\n",
+      "1213     No  Alive  21.4\n",
+      "1216    Yes  Alive  27.9\n",
+      "1217    Yes  Alive  29.5\n",
+      "1219    Yes  Alive  27.0\n",
+      "1223    Yes  Alive  28.3\n",
+      "1226    Yes  Alive  31.0\n",
+      "1232     No  Alive  28.3\n",
+      "1240    Yes  Alive  29.7\n",
+      "1247     No  Alive  26.0\n",
+      "1250     No  Alive  19.8\n",
+      "1251    Yes  Alive  27.8\n",
+      "1253    Yes  Alive  27.8\n",
+      "1255     No   Dead  28.5\n",
+      "1256     No  Alive  26.7\n",
+      "1260    Yes  Alive  20.4\n",
+      "1263    Yes  Alive  20.9\n",
+      "1265     No  Alive  26.7\n",
+      "1267     No  Alive  33.7\n",
+      "1271    Yes  Alive  24.9\n",
+      "1272     No  Alive  33.0\n",
+      "1274     No  Alive  25.7\n",
+      "1275     No  Alive  19.5\n",
+      "1277     No  Alive  23.4\n",
+      "1297    Yes  Alive  32.7\n",
+      "1301     No  Alive  20.5\n",
+      "1303    Yes  Alive  31.2\n",
+      "1310     No  Alive  22.3\n",
+      "\n",
+      "[398 rows x 3 columns]\n"
+     ]
+    }
+   ],
+   "source": [
+    "A=raw_data[(raw_data['Age']<34)]\n",
+    "print(A)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 14,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "SyntaxError",
+     "evalue": "invalid syntax (<ipython-input-14-7974a8c35390>, line 1)",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[0;36m  File \u001b[0;32m\"<ipython-input-14-7974a8c35390>\"\u001b[0;36m, line \u001b[0;32m1\u001b[0m\n\u001b[0;31m    B=raw_data[(raw_data['Age']range=(35,54))]\u001b[0m\n\u001b[0m                                   ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid syntax\n"
+     ]
+    }
+   ],
+   "source": [
+    "B=raw_data[(raw_data['Age']range=(35,54))]\n",
+    "print(B)"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,