diff --git a/your-code/main.ipynb b/your-code/main.ipynb
index b8b7a9c..6a5f8aa 100644
--- a/your-code/main.ipynb
+++ b/your-code/main.ipynb
@@ -23,9 +23,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\"\"\"\n",
-    "your solution here\n",
-    "\"\"\""
+    "\"\"\"1. not correct should be 0,8\n",
+    "2. correct\n",
+    "3. not correct should be 0,3\n",
+    "4. not correct should be 0,2\n",
+    "5. correct\"\"\""
    ]
   },
   {
@@ -48,9 +50,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\"\"\"\n",
-    "your solution here\n",
-    "\"\"\""
+    "\"\"\"1. 1/3\n",
+    "2. 10/29\n",
+    "3. 11/28\n",
+    "4. 2/5\"\"\""
    ]
   },
   {
@@ -74,9 +77,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\"\"\"\n",
-    "your solution here\n",
-    "\"\"\""
+    "\"\"\"P C|R = 0.5\n",
+    " P C = 0.4\n",
+    " P R = 0.1\n",
+    "\n",
+    "P R|C = 0,124\"\"\""
    ]
   },
   {
@@ -106,7 +111,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# your code here"
+    "#1. 0,675 = 67,5%\n",
+    "#2. 0,48 = 48%"
    ]
   },
   {
@@ -115,15 +121,14 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "\"\"\"\n",
-    "your solution here\n",
-    "\"\"\""
+    "\"\"\"Gender is irrelevant. These events are independent. That fact of wanting more light does\n",
+    "not depend on whether one is a male or a female.\"\"\""
    ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -137,7 +142,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.2"
+   "version": "3.11.4"
   }
  },
  "nbformat": 4,