First Message – Week 1 – Question 1

Suppose you are organizing a business meeting and are in charge of facilitating the introductions. How would you arrange a group of n people so each person can shake hands with every other person? How might you organize this process? How many times will each person shake hands with someone else? How many handshakes will occur? How must your method vary according to whether or not n is even or odd?

First Message – Week 1 – Question 2

What is the difference between a permutation and a combination? What are some practical examples of when you would use each?