2. With the imminent new cigarette packaging legislation, there is a lot of interest at the moment in the proportion of Australians who smoke. If we have an estimate of the proportion who smoke now, then we will have a benchmark against which to judge any change that could be attributed to the legislation. Suppose a survey is conducted on the smoking habits of 5,000 randomly chosen Australians aged 15 years or older. It is found that 784 of the participants in the survey currently smoke. Obtain a 95% condence interval for the proportion of Australians aged over 15 who currently smoke. HINT: Apply and learn the following systematic approach by circling what is appropriate and find missing words. 0 This is statistical inference related to estimation/hypothesis testing about the population mean/proportion because ............................................................... o I will use the following formulae for calculating 95% condence interval because a Do I know all components what I need to substitute into this formula? Y/N a List all components which are known . . 0 List all components which are unknown................ . .. . . o How do I nd missing components? 0 Find the 95 % condence interval estimate ( include units) 0 Interpret ( include units)