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More problems and some complete lessons can be found among the materials on our Schedule Page.
- If 10 people at a party each shake hands with every other person, how many handshakes occur?
- Is it possible to cover a chessboard with rectangles of size 3x1?
- If a disease infects 1 in 10,000 people, and you test positive for the disease using a test that is 99% accurate, what is the probability you actually have the disease? (Hint: It is not 99%.)