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10 January 2002 |
Q SCI 381 AHomework Assignment 3due January 25, either in class or turned into MGH 306 before 4:00.View the on-line solution Work the following problems from your text: 1. Section 3.1, Page 111, #10 2. Section 3.1, Page 112, #14 3. Section 3.1, Page 112, #20 4. Section 3.1, Page 112, #22 5. Section 3.1, Page 113, #26 6. Section 3.2, Page 119, #8 7. Section 3.2, Page 120, #12 8. Section 3.2, Page 122, #18 9. Section 3.2, Page 123, #24 (BONUS #1; use Baye's theorem) 10. Section 3.3, Page 129, #10 11. Section 3.3, Page 131, #16 12. Section 3.4, Page 141, #22 13. Section 3.4, Page 142, #32 (BONUS #2; use combinations) Extra Credit (10 pts): The birthday problem: How many people must be in a room for the chances that AT LEAST 2 will have the same birthday is 0.5? Explore this question online using Susan Holme's website: http://www-stat.stanford.edu/~susan/surprise/Birthday.html Play with her birthday game. a) make a chart of the number of birthday pair matches with different numbers of people between 15 and 30. b) Guess the number of people you would need to have 3 people having the same birthday with a reasonable probability. Give your rationale. |