# Changelog

Craig DeLancey

2021 July 21:

— Corrected typo (substituting P for R) in line 10 of the first proof in section 9.6.

— Corrected typo (substituting G for H) in line 11 of the last proof in section 13.3.

— Corrected several typos in the last proof in section 4.2.

— Corrected typo (substituting negation for strike through) in line 24 of the second proof of section 9.6.

— Changed title of section 3.6 (substituting “Statistical reasoning” for “Probability”.

— Added problem 6 to chapter 1 section 1.5.

— Added additional questions to problem 3 of chapter 2 section 2.7.

— Added additional questions to problem 4 of chapter 2 section 2.7.

— Added additional questions to problem 7 of chapter 2 section 2.7.

— Added additional questions to problem 1 of chapter 3 section 3.7.

— Added additional questions to problem 2 of chapter 3 section 3.7.

— Added additional questions to problem 1 of chapter 4 section 4.5.

— Added additional questions to problem 1 of chapter 5 section 5.6.

— Added additional questions to problem 2 of chapter 5 section 5.6.

— Added additional questions to problem 3 of chapter 5 section 5.6.

— Added additional questions to problem 4 of chapter 5 section 5.6.

— Added additional questions to problem 1 of chapter 6 section 6.5.

— Added additional questions to problem 3 of chapter 6 section 6.5.

— Added additional problem (5) to chapter 6 section 6.5.

— Re-ordered problems in chapter 7 section 7.6.

— Added additional questions to problem 1 of chapter 7 section 7.6.

— Added additional questions to problem 1 of chapter 8 section 8.4.

— Added additional questions to problem 2 of chapter 8 section 8.4.

— Added additional problem (4) to chapter 8 section 8.4.

— Added additional questions to problem 1 of chapter 9 section 9.8.

— Changed two questions of problem 2 of chapter 9 section 9.8.

— Added additional problem (3) to chapter 9 section 9.8.

— Added additional problem (6) to chapter 9 section 9.8.

2021 July 22:

— Added additional problem (7) to chapter 5 section 5.6.

— Added additional problem (3) to chapter 12 section 12.4.

— Added additional questions to problem 2 of chapter 13 section 13.4.

— Added additional questions to problem 3 of chapter 13 section 13.4.

— Added additional problem (8) to chapter 13 section 13.4.

— Added additional problem (9) to chapter 13 section 13.4.

— Added additional questions to problem 1 of chapter 14 section 14.6.

— Added additional problem (5) to chapter 14 section 14.6.

— Added additional problem (6) to chapter 15 section 15.6.

2021 July 31:

— Added additional problem (5) to chapter 3 section 3.7.

— Slight revision to question L of problem 1 of chapter 4 section 4.5.

2021 August 1:

— Added additional question to problem 2 of chapter 17 section 17.9.

2021 August 3:

— Added missing endnote #4 in chapter 2.

2021 September 27:

— Corrected a typo in the first proof in section 5.4.

2021 October 4:

— Corrected error in parentheses in problem 2c in section 6.5.