Problem 2 The following table displays the results from a Pew Research Center Survey of 3877 randomly selected adults throughout the United States. The geographical region these individuals reside in and their gun ownership status is presented in the table below. Geographical Region West South Midwest Northeast Individual does own a gun 283 547 263 102 Individual does not own a gun 648 926 551 557 (a) What percentage of the adults in this survey does not own a gun? (b) What percentage of the adults in this survey resides in the South or Midwest? (c) What percentage of the adults in this survey owns a gun and resides in the West?

Elementary Statistics Unit 2 : Examination Page 3 Mathematics 13 Problem 3 Refer to the results of the Pew Research Center Survey presented in Problem 2 to respond to the following questions. (a) What proportion of the adults in this survey own a gun given that they reside in the Northeast? (b) Based on the Pew Research Center Survey results, is gun ownership in the United States independent of the geographical region?