Quiz: 24 October 2018

1. Do the following exercises.
   • Kohar 5.2.2, 5.2.3, 5.2.8, 5.2.10, 5.2.16, 5.2.18, 5.2.22, 5.2.23, 5.2.24, 5.2.25
   • Kohar 5.3.1, 5.3.2, 5.3.3, 5.3.5, 5.3.6, 5.3.7
   • Kohar 5.4.1, 5.4.2 (a)–(b), 5.4.3, 5.4.5, 5.4.9, 5.4.10, 5.4.12
   • Kohar 5.5.1
   • Kohar 5.6.2, 5.6.3, 5.6.4
2. The members of Kingston City Council are to vote either yes or no (but not both) on each of seven issues. In marking a ballot, each councilor has the option of abstaining on as many as six of the issues, but cannot abstain on all seven issues.  In how many ways can a ballot be marked? [Ans: 2186]