A reporter on cnn.com stated in July 2010 that 95% of all court cases that go to trial result in a guilty verdict. To test the accuracy of this claim, we collect a random sample of 2000 court cases that went to trial and record the proportion that resulted in a guilty verdict.
(a) What is/are the relevant parameter(s)? What sample statistic(s) is/are used to conduct the test?
(b) State the null and alternative hypotheses.
(c) We assess evidence by considering how likely our sample results are when H₀ is true. What does that mean in this case?