A political pollster claims that 55 percent of voters prefer candidate A. To investigate this claim, a random sample of 75 voters is polled. The pollster finds that 39 of those polled prefer candidate A. He would like to know if the data provide convincing evidence that the true proportion of all voters who prefer candidate A is less than 55 percent What are the values of the test statistic and cap p -value for this test? Use the z -table.