diff --git a/.github/workflows/fail.yml b/.github/workflows/fail.yml
new file mode 100644
index 0000000..996e049
--- /dev/null
+++ b/.github/workflows/fail.yml
@@ -0,0 +1,7 @@
+name: Intentionally Fail
+on: [pull_request]
+jobs:
+  break:
+    runs-on: ubuntu-latest
+    steps:
+      - run: exit 1
diff --git a/module3_ChurnPrediction/churnPrediction.ipynb b/module3_ChurnPrediction/churnPrediction.ipynb
index 4400b48..63e39bc 100644
--- a/module3_ChurnPrediction/churnPrediction.ipynb
+++ b/module3_ChurnPrediction/churnPrediction.ipynb
@@ -5823,9 +5823,53 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 374,
    "id": "3c3c6a13",
    "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "np.float64(0.5647668393782384)"
+      ]
+     },
+     "execution_count": 374,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "tpr = tp/(tp+fn)\n",
+    "tpr"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 376,
+   "id": "154ebe2c",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "np.float64(0.10263929618768329)"
+      ]
+     },
+     "execution_count": 376,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "fpr = fp/(fp+tn)\n",
+    "fpr"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "0d25ab77",
+   "metadata": {},
    "outputs": [],
    "source": []
   }