1. © 2013 Pearson Education, Inc. Reading Quiz For use with Classroom Response Systems Introductory Statistics: Exploring the World through Data, 1e by Gould and Ryan Sections 5.1 & 5.2 Modeling Variation with Probability Slide 5 - 1

2. True or False Random means that no predictable pattern occurs and that no digit is more likely to appear than any other. A. True B. False Slide 5 - 2 © 2013 Pearson Education, Inc. Response Counter

3. To generate random numbers, one can A. use the internet. B. use a computer program. C. use a random number table. D. All of the above. Slide 5 - 3 © 2013 Pearson Education, Inc. Response Counter

4. Empirical probabilities are A. the relative frequencies at which an event happens after infinitely many repetitions. B. the short-run relative frequencies of an event after infinitely many repetitions. C. the relative frequencies based on an experiment. D. the long-run relative frequencies based on an experiment. Slide 5 - 4 © 2013 Pearson Education, Inc. Response Counter

5. True or False Probabilities are always numbers between 0 and 1, exclusive of 0 and 1. A. True B. False Slide 5 - 5 © 2013 Pearson Education, Inc. Response Counter

6. True or False If the probability of an event happening is 1, then that event never happens. A. True B. False Slide 5 - 6 © 2013 Pearson Education, Inc. Response Counter

7. The probability that an event will not happen is A. negative the probability it will happen. B. the reciprocal of the probability it will happen. C. 1 minus the probability it will happen. D. None of the above. Slide 5 - 7 © 2013 Pearson Education, Inc. Response Counter

8. True or False The probability that an event will not happen is called the complement of the event. A. True B. False Slide 5 - 8 © 2013 Pearson Education, Inc. Response Counter

9. True or False A list that contains all possible (and equally likely) outcomes is called the sample space. A. True B. False Slide 5 - 9 © 2013 Pearson Education, Inc. Response Counter

10. The word OR creates a new event out of two events A and B. The new event consists of A. all outcomes that are only in A, that are only in B, or that are in both. B. only those outcomes that are in both event A and event B. C. only those outcomes that are in either event A or event B, but not both. D. all outcomes that are in either event A or event B, but not both. Slide 5 - 10 © 2013 Pearson Education, Inc. Response Counter

11. True or False When two events have no outcomes in common—that is, when it is impossible for both events to happen at once—they are called mutually exclusive events. A. True B. False Slide 5 - 11 © 2013 Pearson Education, Inc. Response Counter