diff --git a/module-2/probability-intro/your-code/main.ipynb b/module-2/probability-intro/your-code/main.ipynb
index 576a36eb..254e5197 100644
--- a/module-2/probability-intro/your-code/main.ipynb
+++ b/module-2/probability-intro/your-code/main.ipynb
@@ -19,13 +19,32 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 5,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "         \n",
+      "P(A U B) = 0.6 is False\n",
+      "         \n",
+      "Explanation:\n",
+      "          P(A ∪ B) = [P(A)= 0.3] + [P(B) = 0.6] - [P(A ∩ B) = 0.1] = 0.8 \n",
+      "          P(A ∪ B) = 0.8\n"
+     ]
+    }
+   ],
    "source": [
-    "\"\"\"\n",
-    "your solution here\n",
-    "\"\"\""
+    "\n",
+    "print(\"         \")\n",
+    "print(\"P(A U B) = 0.6 is False\")\n",
+    "print(\"         \")\n",
+    "print(\"Explanation:\")\n",
+    "print(\"          P(A ∪ B) = [P(A)= 0.3] + [P(B) = 0.6] - [P(A ∩ B) = 0.1] = 0.8 \")\n",
+    "print(\"          P(A ∪ B) = 0.8\")"
    ]
   },
   {
@@ -44,13 +63,52 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 6,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Taking a white ball out:\n",
+      "         \n",
+      "             -- P = 10 / (12 + 8 + 10) = 1/3\n",
+      "         \n",
+      "Taking a white ball out after taking a black ball out:\n",
+      "         \n",
+      "             -- P = 10 / (30 - 1) = 10/29\n",
+      "         \n",
+      "Taking a red ball out after taking a black and a red ball out:\n",
+      "         \n",
+      "             -- P = (12 - 1) / (30 - 2) = 11/28\n",
+      "         \n",
+      "Taking a red ball out after taking a black and a red ball out with reposition:\n",
+      "         \n",
+      "             -- P = (12 - 1) / (30 - 2 + 1) = 11/29\n",
+      "         \n"
+     ]
+    }
+   ],
    "source": [
-    "\"\"\"\n",
-    "your solution here\n",
-    "\"\"\""
+    "\n",
+    "print(\"Taking a white ball out:\")\n",
+    "print(\"         \")\n",
+    "print(\"             -- P = 10 / (12 + 8 + 10) = 1/3\")\n",
+    "print(\"         \")\n",
+    "print(\"Taking a white ball out after taking a black ball out:\")\n",
+    "print(\"         \")\n",
+    "print(\"             -- P = 10 / (30 - 1) = 10/29\")\n",
+    "print(\"         \")\n",
+    "print(\"Taking a red ball out after taking a black and a red ball out:\")\n",
+    "print(\"         \")\n",
+    "print(\"             -- P = (12 - 1) / (30 - 2) = 11/28\")\n",
+    "print(\"         \")\n",
+    "print(\"Taking a red ball out after taking a black and a red ball out with reposition:\")\n",
+    "print(\"         \")\n",
+    "print(\"             -- P = (12 - 1) / (30 - 2 + 1) = 11/29\")\n",
+    "print(\"         \")"
    ]
   },
   {
@@ -70,13 +128,29 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 10,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "         \n",
+      "The chance is: \n",
+      "         \n",
+      "     -- P( Rainy / Cloudy ) = 1/8\n",
+      "         \n"
+     ]
+    }
+   ],
    "source": [
-    "\"\"\"\n",
-    "your solution here\n",
-    "\"\"\""
+    "print(\"         \")\n",
+    "print(\"The chance is: \")\n",
+    "print(\"         \")\n",
+    "print(\"     -- P( Rainy / Cloudy ) = 1/8\")\n",
+    "print(\"         \")"
    ]
   },
   {
@@ -102,23 +176,89 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[0.675, 0.325, 0.675, 0.325]"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "# your code here"
+    "# your code here\n",
+    "\n",
+    "Pm_yes =324/480\n",
+    "Pm_no =156/480\n",
+    "\n",
+    "Pw_yes =351/520\n",
+    "Pw_no =169/520\n",
+    "\n",
+    "lst=[Pm_yes, Pm_no, Pw_yes, Pw_no]\n",
+    "\n",
+    "# lst equal proportion"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
+   "execution_count": 11,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "         \n",
+      "Said No:\n",
+      "         \n",
+      "     -- P( No/ Men ) = 0.325\n",
+      "     -- P( No/ Men ) = 0.325\n",
+      "     -- P(No) = 0.325\n",
+      "         \n",
+      "Said Yes:\n",
+      "         \n",
+      "     -- P( Yes/ Men ) = 0.675\n",
+      "     -- P( Yes/ Men ) = 0.675\n",
+      "     -- P(Yes) = 0.675\n",
+      "         \n",
+      "THIS EVENTS ARE INDEPENDENT\n"
+     ]
+    }
+   ],
    "source": [
-    "\"\"\"\n",
-    "your solution here\n",
-    "\"\"\""
+    "print(\"         \")\n",
+    "print(\"Said No:\")\n",
+    "print(\"         \")\n",
+    "print(\"     -- P( No/ Men ) = 0.325\")\n",
+    "print(\"     -- P( No/ Men ) = 0.325\")\n",
+    "print(\"     -- P(No) = 0.325\")\n",
+    "print(\"         \")\n",
+    "print(\"Said Yes:\")\n",
+    "print(\"         \")\n",
+    "print(\"     -- P( Yes/ Men ) = 0.675\")\n",
+    "print(\"     -- P( Yes/ Men ) = 0.675\")\n",
+    "print(\"     -- P(Yes) = 0.675\")\n",
+    "print(\"         \")\n",
+    "print(\"THIS EVENTS ARE INDEPENDENT\")"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
@@ -137,7 +277,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.2"
+   "version": "3.5.4"
   }
  },
  "nbformat": 4,