diff --git a/notebook/problems.ipynb b/notebook/problems.ipynb
index ff2c594b..42443678 100644
--- a/notebook/problems.ipynb
+++ b/notebook/problems.ipynb
@@ -30,12 +30,36 @@
         },
         {
             "cell_type": "code",
-            "execution_count": 1,
+            "execution_count": 7,
             "id": "34720ab6",
             "metadata": {},
-            "outputs": [],
+            "outputs": [
+                {
+                    "name": "stdout",
+                    "output_type": "stream",
+                    "text": [
+                        "La media normal de 100 numeros es: -0.16537251714537368\n",
+                        "La media con tres grados de libertad es: 3.1657963984641877\n",
+                        "La desviacion de la normal es: 0.8735179659912325 Y la desviacion con 3 grados de libertad es: 2.799833829717906\n"
+                    ]
+                }
+            ],
             "source": [
-                "# TODO"
+                "# TODO\n",
+                "import numpy as np\n",
+                "\n",
+                "normal = np.random.normal(0,1,100)\n",
+                "chi_square = np.random.chisquare(3,100)\n",
+                "\n",
+                "media_normal = np.mean (normal)\n",
+                "media_chi = np.mean (chi_square)\n",
+                "\n",
+                "print(\"La media normal de 100 numeros es:\", media_normal)\n",
+                "print(\"La media con tres grados de libertad es:\" , media_chi)\n",
+                "\n",
+                "desviacion_s = np.std(normal)\n",
+                "desviacion_a = np.std(chi_square)\n",
+                "print(f\"La desviacion de la normal es:\",desviacion_s,\"Y la desviacion con 3 grados de libertad es:\", desviacion_a)"
             ]
         },
         {
@@ -54,12 +78,30 @@
         },
         {
             "cell_type": "code",
-            "execution_count": 2,
+            "execution_count": 14,
             "id": "d590308e",
             "metadata": {},
-            "outputs": [],
+            "outputs": [
+                {
+                    "name": "stdout",
+                    "output_type": "stream",
+                    "text": [
+                        "La desviación estandar es: 4.0\n"
+                    ]
+                }
+            ],
             "source": [
-                "# TODO"
+                "# TODO\n",
+                "data = [4,2,5,8,6]\n",
+                "media = sum(data)/len(data) # Media de data\n",
+                "# Distancia a la media (Al cuadrado)\n",
+                "total = 0\n",
+                "\n",
+                "for i in data:\n",
+                "    distancia = (i - media)**2\n",
+                "    total += distancia\n",
+                "    resultado = total/len(data)\n",
+                "print(\"La desviación estandar es:\" , resultado)"
             ]
         }
     ],