1 3 7 CHAPTER 6 PROBABILITY SECTIONS 1 MULTIPLE CHOICE QUESTIONS In the follow ing multiple-choice questions, please circle the correct answ er. 1. An approach of assigning probabilities which assumes that all outcomes of the experiment are equally likely is referred to as the: a. subjective approach b. objective approach c. classical approach d. relative frequency approach ANSWER: c 2. If A and B are mutually exclusive events with P (A ) = 0.70, then P (B ): a. can be any value between 0 and 1 b. can be any value between 0 and 0.70 c. cannot be larger than 0.30 d. cannot be determined with the information given ANSWER: c 3. If you roll an unbiased die 50 times, you should expect an even number to appear: a. at least twice in the 50 rolls b. on every other roll c. 25 out of the 50 rolls d. on the average, 25 out of the 50 rolls ANSWER: d 138 Chapter Six 4. The collection of all possible outcomes of an experiment is called: a. a simple event b. a sample space c. a sample d. a population ANSWER: b 5. Which of the following is not an approach to assigning probabilities? a. Classical approach b. Trial and error approach c. Relative frequency approach d. Subjective approach ANSWER: b 6. A sample space of an experiment consists of the following outcomes: 1, 2, 3, 4, and 5. Which of the following is a simple event? a. At least 3 b. At most 2 c. 3 d. 15 ANSWER: c 7. Which of the following is a requirement of the probabilities assigned to outcome iO ? a. 0iP O for each i b. 1iP O for each i c. 01iP O for each i d. 1 for each iiP O ANSWER: c 8. If an experiment consists of five outcomes with 1()P O 0.10, 2()P O 0.20, 3()P...
