diff --git a/education/statistics/Probability.md b/education/statistics/Probability.md
index 493166b..05d5cc0 100644
--- a/education/statistics/Probability.md
+++ b/education/statistics/Probability.md
@@ -47,3 +47,8 @@ Mutually exclusive events are events that cannot both occur within a given set o
 
 (Ch 16, STAT 1040)
 
+# Chance Error
+As the number of events goes up, the size of chance error increases. 
+
+## The law of averages
+As the number of events increases, the absolute chance error will increase, but compared against the number of tosses, the chance error will decrease.