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Pre-Cal 40S Slides January 11, 2008
- 1. Probability Workshop Math in the afternoon
- 2. The probability that Tony will move to Winnipeg is 2/9, and the probability that he will marry Angelina if he moves to Winnipeg is 9/20. The probability that he will marry Angelina if he does not move to Winnipeg is 1/20. Draw a tree diagram to show all outcomes. (a) What is the probability that Tony will move to Winnipeg and marry Angelina? (b) What is the probability that Tony does not move to Winnipeg but does marry Angelina? (c) What is the probability that Tony does not move to Winnipeg and does not marry Angelina?
- 3. The probability that Tony will move to Winnipeg is 2/9, and the probability that he will marry Angelina if he moves to Winnipeg is 9/20. The probability that he will marry Angelina if he does not move to Winnipeg is 1/20. Draw a tree diagram to show all outcomes. (a) What is the probability that Tony will move to Winnipeg and marry Angelina? (b) What is the probability that Tony does not move to Winnipeg but does marry Angelina?
- 4. (c) What is the probability that Tony does not move to Winnipeg and does not marry Angelina?
- 5. One card is drawn at random from a deck of 52 cards. What is the probability of drawing an ace or a diamond?
- 6. One card is drawn at random from a deck of 52 cards. What is the probability of drawing an ace or a diamond?
- 7. In a Pre-Cal 40S class of 25 students, seven students say they like Dr. Pepper, 11 students like Diet Dr. Pepper, and 3 like both. What is the probability that a student will not like either Dr. Pepper or Diet Dr. Pepper?