Question

2. A random sample of 728 law enforcement agencies indicates that 213 of them routinely reviewed job applicant’s social media activity as part of the background review process.

1. Using the z-actual approach, test the hypothesis that the population proportion of law enforcement agencies is 0.25 at the 5% significance level. To receive full points you must show all steps. (5)

2. Using the p-value procedure, test the hypothesis that the population proportion of law enforcement agencies is 0.25 at the 0.5% significance level. To receive full points you must show all steps. (5)

3. Please explain why in one test you reject the null and in the other test you fail to reject the null. (5)

Answer 1