diff --git a/source/ch-Confidence-Intervals.ptx b/source/ch-Confidence-Intervals.ptx
index 7e42a6f..e90f44c 100644
--- a/source/ch-Confidence-Intervals.ptx
+++ b/source/ch-Confidence-Intervals.ptx
@@ -7,7 +7,22 @@
Text before the first section.
-
-
+
+
+ Central Limit Theorem
+
+ Text of section.
+
+
+
+
+
+
+ Confidence Intervals
+
+ Text of section.
+
+
+
\ No newline at end of file
diff --git a/source/ch-Expected-Value.ptx b/source/ch-Expected-Value.ptx
index b4ef3c9..1bad6f5 100644
--- a/source/ch-Expected-Value.ptx
+++ b/source/ch-Expected-Value.ptx
@@ -7,7 +7,30 @@
Text before the first section.
-
-
+
+ Expected Value
+
+ Text of section.
+
+
+
+
+
+ Variance
+
+ Text of section.
+
+
+
+
+
+
+ Covariance
+
+ Text of section.
+
+
+
+
\ No newline at end of file
diff --git a/source/ch-Hypothesis-Testing.ptx b/source/ch-Hypothesis-Testing.ptx
index 0ee3bde..4d7479e 100644
--- a/source/ch-Hypothesis-Testing.ptx
+++ b/source/ch-Hypothesis-Testing.ptx
@@ -7,7 +7,42 @@
Text before the first section.
-
-
+
+
+ One Sample Tests
+
+ Text of section.
+
+
+
+
+
+
+ Two Sample Tests
+
+ Text of section.
+
+
+
+
+
+
+ Power of a Test
+
+ Text of section.
+
+
+
+
+
+
+ <m>\chi^2</m> Test
+
+ Text of section.
+
+
+
+
+
\ No newline at end of file
diff --git a/source/ch-Linear-Regression.ptx b/source/ch-Linear-Regression.ptx
index b558236..d963da3 100644
--- a/source/ch-Linear-Regression.ptx
+++ b/source/ch-Linear-Regression.ptx
@@ -7,7 +7,22 @@
Text before the first section.
-
-
+
+
+ Correlation
+
+ Text of section.
+
+
+
+
+
+ Linear Regression
+
+ Text of section.
+
+
+
+
\ No newline at end of file
diff --git a/source/ch-Probability.ptx b/source/ch-Probability.ptx
index 8841607..f93ac04 100644
--- a/source/ch-Probability.ptx
+++ b/source/ch-Probability.ptx
@@ -7,7 +7,40 @@
Text before the first section.
-
-
+
+ Set Theory
+
+ Text of section.
+
+
+
+
+
+ Definition of Probability
+
+ Text of section.
+
+
+
+
+
+
+ Conditional Probability
+
+ Text of section.
+
+
+
+
+
+
+ Independent Events
+
+ Text of section.
+
+
+
+
+
\ No newline at end of file
diff --git a/source/ch-Random-Variables.ptx b/source/ch-Random-Variables.ptx
index c914dee..26bb724 100644
--- a/source/ch-Random-Variables.ptx
+++ b/source/ch-Random-Variables.ptx
@@ -7,7 +7,22 @@
Text before the first section.
-
-
+
+ Discrete Random Variables
+
+ Text of section.
+
+
+
+
+
+
+ Continuous Random Variables
+
+ Text of section.
+
+
+
+
\ No newline at end of file
diff --git a/source/sec-Central-Limit-Theorem.ptx b/source/sec-Central-Limit-Theorem.ptx
deleted file mode 100644
index 9eabd75..0000000
--- a/source/sec-Central-Limit-Theorem.ptx
+++ /dev/null
@@ -1,8 +0,0 @@
-
-
-
- Section Title
-
- Text of section.
-
-
\ No newline at end of file
diff --git a/source/sec-Covariance.ptx b/source/sec-Covariance.ptx
deleted file mode 100644
index e085378..0000000
--- a/source/sec-Covariance.ptx
+++ /dev/null
@@ -1,8 +0,0 @@
-
-
-
- Section Title
-
- Text of section.
-
-
\ No newline at end of file
diff --git a/source/sec-Discrete-Random-Variables.ptx b/source/sec-Discrete-Random-Variables.ptx
deleted file mode 100644
index f19c27a..0000000
--- a/source/sec-Discrete-Random-Variables.ptx
+++ /dev/null
@@ -1,8 +0,0 @@
-
-
-
- Section Title
-
- Text of section.
-
-
\ No newline at end of file
diff --git a/source/sec-Expected-Value.ptx b/source/sec-Expected-Value.ptx
deleted file mode 100644
index ac71333..0000000
--- a/source/sec-Expected-Value.ptx
+++ /dev/null
@@ -1,8 +0,0 @@
-
-
-
- Section Title
-
- Text of section.
-
-
\ No newline at end of file
diff --git a/source/sec-One-Sample-Tests.ptx b/source/sec-One-Sample-Tests.ptx
deleted file mode 100644
index 3c49541..0000000
--- a/source/sec-One-Sample-Tests.ptx
+++ /dev/null
@@ -1,8 +0,0 @@
-
-
-
- Section Title
-
- Text of section.
-
-
\ No newline at end of file
diff --git a/source/sec-Set-Theory.ptx b/source/sec-Set-Theory.ptx
deleted file mode 100644
index 2c641f3..0000000
--- a/source/sec-Set-Theory.ptx
+++ /dev/null
@@ -1,8 +0,0 @@
-
-
-
- Section Title
-
- Text of section.
-
-
\ No newline at end of file