Question

Consider the following. (Give your answers correct to two decimal places.)

(a) Calculate the test statistic z used in testing H_o: p = 0.70, H_a: p > 0.70; with the sample n = 299 and x = 253.


(b) Calculate the test statistic z used in testing H_o: p = 0.50, H_a: p < 0.50; with the sample n = 441 and x = 203.


(c) Calculate the test statistic z used in testing H_o: p = 0.35, H_a: p ≠ 0.35; with the sample n = 274 and x = 89.


(d) Calculate the test statistic z used in testing H_o: p = 0.90, H_a: p > 0.90; with the sample n = 546 and x = 519.

Answer 1