I. Directions: Read the following questions carefully. Write the letter of the correct answer in the space provided before each item.
________1. Tossing a coin is an example of an experiment. Which of the following is NOT a possible outcome when you toss a coin? A. Heads B. Tails C. Six _______2. Which of the following has 0 probability? A. obtaining a 3 when you roll a die. B. obtaining a tail when you toss a coin. C. obtaining a heart when you randomly select from a deck of cards D. obtaining a consonant letter from A, E, I, O, U ________3. What does a 50% probability mean? A. There are five possible outcomes in an experiment B. There are no possible outcomes in an experiment C. There are infinite possible outcomes in an experiment D. There are only two possible outcomes in an experiment. ________4. ½ probability is equal to: A. 20% B. 30% C. 40% D. 50% _______5. 0.75 probability is equal to:
A. 2/3 B. ¼ C. ¾ D. 1/8 ______6. What do you call the result of an experiment? A. probability B. event C. outcome D. infinite ______7. When you roll a die, which of the following is NOT a possible outcome? A. 1 B. 2 C. 4 D. 7 ______8. Which of the following is NOT a possible outcome when you roll a die? A. 5 B. 3 C. ½ D. 6 ______9. Which of the following is the correct list of outcomes when you toss two coins? A. {HH, HT, TH, TT} B. {H, TT, HG, TT} C. {H, T}
D. {H, T, H, T} ______10. Which of the following has a ½ probability? A. getting 1 from rolling a die B. getting 3 from rolling a die C. getting a head from tossing a coin D. getting a prime number when you roll a die.
II. TRUE OR FALSE. Write TRUE if the statement is correct. Otherwise, write FALSE. _______11. Probability values can be more than 2 _______12. 50% probability is equal to ½ _______13. When you toss a coin, the only possible outcome is tails. _______14. When you toss a coin, the probability of getting a head is ¾ _______15. 0 probability that the event is certainly to happen.
III. Answer the following problems. 16 – 18. Write all the possible outcomes when you toss a coin. a) What is the probability of getting a head? b) What is the probability of getting a tail? 19 – 20. A bowl has marbles. 3 are blue, 2 are red and 4 are yellow. Write all the possible outcomes when you select a marble from the bowl. a) What is the probability of getting a red marble? b) What is the probability of getting either red or yellow marble? 21 – 22. Suppose that you roll two die. a) Is (4, 5) a part of the sample space? b) Is (6,7) a part of the sample space? c) is (1/2, 1/3) a part of the sample space? d) What is the probability that you will get (6, 6) from this experiment? e) What is the total number of possible outcomes in the sample space? 23 – 25. Jin has 3 options for rice (brown and white), 2 options for viand (adobo and sinigang), and 2 options for drinks (iced tea and water). a) What is the total number of possible combinations of rice, viand, and drinks does Jin have? b) What is the probability that Jin will eat a brown rice, an adobo and a water for her lunch?
