Consider the following test: Ho : p = 0.75 H1 : p / 0.75 Suppose that a random sample of 50 observations yielded p = 0.82. Which of the following represents the test statistic you would use to test the null hypothesis? O t= 0.82-0.75 (0.75) (0.25) O Z= 0.82-0.75 (0.82) (0.28 50 O t= 0.82-0.75 (0.82) (0.75) 50 O Z= 0.82-0.75 (0.75) (0.25) 50