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- 1. Probability Trivia<br />Math I Unit 4 Standards<br />MM1D1a Counting principles<br />MM1D1bPermutations & combinations<br />MM1D2a Mutually exclusive events<br />MM1D2b Dependent events<br />MM1D2c Conditional probability<br />
- 2. Rules<br />3 questions in every round<br />Send your answer on the ActivExpression<br />Please use your notes!<br />This activity is graded<br />
- 3. Round 1 Question 1<br />How many ways can these two events occur together?<br />Event A: 12 outcomes<br />Event B: 6 outcomes<br />
- 4. Round 1 Question 2<br />How many ways can you arrange the letters in <br />PERMUTATION<br />Hint: If there are repeated letters, only count them once.<br />
- 5. Round 1 Question 3<br />Evaluate the expression<br />4P2<br />3P2<br />
- 6. Round 1 END<br />Answers<br />Round 1 Question 1 72<br />Round 1 Question 2 3,628,800<br />Round 1 Question 3 2<br />
- 7. Round 2 Question 1<br />You choose a card from a standard deck of 52 playing cards. Find the probability that you choose a King or Queen.<br />
- 8. Round 2 Question 2<br />You choose a card from a standard deck of 52 playing cards. Find the probability that you choose a red card or a 10.<br />
- 9. Round 2 Question 3<br />A bag contains 5 blue marbles and 9 red marbles. You choose one at random, then choose another at random without replacing the first. <br />Find the probability that both marbles are blue. <br />
- 10. Round 2 END<br />Answers<br />Round 2 Question 1 0.154<br />Round 2 Question 2 0.308<br />Round 2 Question 3 0.110<br />
- 11. Round 3 Question 1<br />A pair of dice is rolled. What is the probability of rolling a 5 and a 2?<br />
- 12. Round 3 Question 2<br />A pair of dice is rolled. What is the probability of rolling a 5 on either die?<br />
- 13. Round 3 Question 3<br />You turn a spinner that is divided into 8 equal sections. What is the probability of landing on the number 2 twice in a row?<br />
- 14. Round 3 END<br />Answers<br />Round 3 Question 1 0.028<br />Round 3 Question 2 0.334<br />Round 3 Question 3 0.016<br />
- 15. Round 4 Question 1<br />You enter a contest in which the person who draws his or her initials out of a boxes containing all 26 letters of the alphabet wins.<br />You draw your first initial on the first try, keep it, and reach a second time. What is the probability you will get your last initial?<br />
- 16. Round 4 Question 2<br />You reach into a bag containing <br />10 $5 bills, <br />20 $1 bills, <br />2 $50 bills, and <br />one $100 bill. <br />What is your chance of getting at least $50?<br />
- 17. Round 4 Question 3<br />A pair of dice is rolled. What is the probability that the sum of the dice is 7?<br />
- 18. Round 4 END<br />Answers<br />Round 4 Question 1 0.04<br />Round 4 Question 2 0.091<br />Round 4 Question 3 0.273<br />

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