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January 25 Boards
- 1. Tree diagram for the number of heads possible in 3 successive flips of a coin
- 2. Probability distribution for number of heads in 3 flips of a coin
- 3. Pg 221, #3 – mean number of credit cards owned by bank customers
- 4. Pg 221, #3 continued … standard deviation for the credit cards
- 5. Considering risk and reward, which is the better investment? Which one has the better expected value?
- 6. The expected value of Bond X is better than Bond Y, so Bond X has a better payoff for the risk involved.