A sample of 46 oil industry executives was selected to test a questionnaire. One question about environmental issues required a yes or no answer. a. What is the experiment? b. Which of the following are possible events. (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.) 30 people respond "Yes." 40 people respond "Yes." 39 people respond " No." 48 people respond "No." 2 The questionnalie foils to reach one executive