Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilProfile.cs
===================================================================
diff -u -r5e70f173b3839314912e086b6c1c784b975ee646 -r4e4ced94d27f939fc77f364201840814dc542af1
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilProfile.cs	(.../StochasticSoilProfile.cs)	(revision 5e70f173b3839314912e086b6c1c784b975ee646)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilProfile.cs	(.../StochasticSoilProfile.cs)	(revision 4e4ced94d27f939fc77f364201840814dc542af1)
@@ -63,6 +63,17 @@
         public PipingSoilProfile SoilProfile { get; set; }
 
         /// <summary>
+        /// Updates the probability of the <see cref="StochasticSoilProfile"/> 
+        /// by adding <paramref name="probability"/>.
+        /// </summary>
+        /// <param name="probability">The amount to increase the <see cref="Probability"/>
+        /// with.</param>
+        public void AddProbability(double probability)
+        {
+            Probability += probability;
+        }
+
+        /// <summary>
         /// Updates the <see cref="StochasticSoilProfile"/> with the properties
         /// from <paramref name="fromProfile"/>.
         /// </summary>