Practice Final Exam 2 http://staging2.cnx.org/content new Practice Final Exam 2 **new** 2013/10/18 02:13:03.810 GMT-5 2013/10/18 02:13:03.866 GMT-5 Words Numbers Words Numbers techsupport@cnx.org words_stats words_stats words_stats Mathematics and Statistics en A study was done to determine the proportion of teenagers that own a car. The population proportion of teenagers that own a car is the: statistic. parameter. population. variable. b. parameter. Use the following information to answer the next two exercises: value frequency 0 1 1 4 2 7 3 9 6 4
The box plot for the data is: a. If six were added to each value of the data in the table, the 15th percentile of the new list of values is: six one seven eight c. seven Use the following information to answer the next two exercises: Suppose that the probability of a drought in any independent year is 20%. Out of those years in which a drought occurs, the probability of water rationing is ten percent. However, in any year, the probability of water rationing is five percent. What is the probability of both a drought and water rationing occurring? 0.05 0.01 0.02 0.30 c. 0.02 Which of the following is true? Drought and water rationing are independent events. Drought and water rationing are mutually exclusive events. None of the above c. none of the above Use the following information to answer the next two exercises: Suppose that a survey yielded the following data: Favorite Pie gender apple pumpkin pecan female 40 10 30 male 20 30 10