Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismResultView.cs
===================================================================
diff -u -r614328833a209137c0428fea6eac17b4fd8e40f7 -r226c49888505e4302ce44f6f6603f3770520c096
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismResultView.cs	(.../StabilityPointStructuresFailureMechanismResultView.cs)	(revision 614328833a209137c0428fea6eac17b4fd8e40f7)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismResultView.cs	(.../StabilityPointStructuresFailureMechanismResultView.cs)	(revision 226c49888505e4302ce44f6f6603f3770520c096)
@@ -143,6 +143,10 @@
             FailureMechanismSectionResultViewColumnBuilder.AddCombinedAssemblyCategoryGroupColumn(
                 DataGridViewControl,
                 nameof(StabilityPointStructuresFailureMechanismSectionResultRow.CombinedAssemblyCategoryGroup));
+
+            FailureMechanismSectionResultViewColumnBuilder.AddCombinedAssemblyProbabilityColumn(
+                DataGridViewControl,
+                nameof(StabilityPointStructuresFailureMechanismSectionResultRow.CombinedAssemblyProbability));
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismResultViewTest.cs
===================================================================
diff -u -r614328833a209137c0428fea6eac17b4fd8e40f7 -r226c49888505e4302ce44f6f6603f3770520c096
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismResultViewTest.cs	(.../StabilityPointStructuresFailureMechanismResultViewTest.cs)	(revision 614328833a209137c0428fea6eac17b4fd8e40f7)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismResultViewTest.cs	(.../StabilityPointStructuresFailureMechanismResultViewTest.cs)	(revision 226c49888505e4302ce44f6f6603f3770520c096)
@@ -48,7 +48,8 @@
         private const int detailedAssemblyCategoryGroupIndex = 7;
         private const int tailorMadeAssemblyCategoryGroupIndex = 8;
         private const int combinedAssemblyCategoryGroupIndex = 9;
-        private const int columnCount = 10;
+        private const int combinedAssemblyProbabilityIndex = 10;
+        private const int columnCount = 11;
 
         private Form testForm;
 
@@ -124,6 +125,7 @@
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[detailedAssemblyCategoryGroupIndex]);
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[tailorMadeAssemblyCategoryGroupIndex]);
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[combinedAssemblyCategoryGroupIndex]);
+                Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[combinedAssemblyProbabilityIndex]);
 
                 Assert.AreEqual("Vak", dataGridView.Columns[nameColumnIndex].HeaderText);
                 Assert.AreEqual("Eenvoudige toets", dataGridView.Columns[simpleAssessmentResultIndex].HeaderText);
@@ -135,6 +137,7 @@
                 Assert.AreEqual("Assemblageresultaat\r\ngedetailleerde toets per vak", dataGridView.Columns[detailedAssemblyCategoryGroupIndex].HeaderText);
                 Assert.AreEqual("Assemblageresultaat\r\ntoets op maat", dataGridView.Columns[tailorMadeAssemblyCategoryGroupIndex].HeaderText);
                 Assert.AreEqual("Assemblageresultaat\r\ngecombineerd", dataGridView.Columns[combinedAssemblyCategoryGroupIndex].HeaderText);
+                Assert.AreEqual("Assemblageresultaat\r\ngecombineerde\r\nfaalkansschatting", dataGridView.Columns[combinedAssemblyProbabilityIndex].HeaderText);
 
                 Assert.IsTrue(dataGridView.Columns[nameColumnIndex].ReadOnly);
                 Assert.IsFalse(dataGridView.Columns[simpleAssessmentResultIndex].ReadOnly);
@@ -146,6 +149,7 @@
                 Assert.IsTrue(dataGridView.Columns[detailedAssemblyCategoryGroupIndex].ReadOnly);
                 Assert.IsTrue(dataGridView.Columns[tailorMadeAssemblyCategoryGroupIndex].ReadOnly);
                 Assert.IsTrue(dataGridView.Columns[combinedAssemblyCategoryGroupIndex].ReadOnly);
+                Assert.IsTrue(dataGridView.Columns[combinedAssemblyProbabilityIndex].ReadOnly);
 
                 Assert.AreEqual(DataGridViewAutoSizeColumnsMode.AllCells, dataGridView.AutoSizeColumnsMode);
                 Assert.AreEqual(DataGridViewContentAlignment.MiddleCenter, dataGridView.ColumnHeadersDefaultCellStyle.Alignment);
@@ -183,6 +187,7 @@
                 Assert.AreEqual("VIv", cells[detailedAssemblyCategoryGroupIndex].Value);
                 Assert.AreEqual("VIv", cells[tailorMadeAssemblyCategoryGroupIndex].Value);
                 Assert.AreEqual("VIv", cells[combinedAssemblyCategoryGroupIndex].Value);
+                Assert.AreEqual("1/1", cells[combinedAssemblyProbabilityIndex].FormattedValue);
             }
         }