Consider the following. (Give your answers correct to two decimal places.) (a) Calculate the test statistic z used in testing Ho: p = 0.70, Ha: p > 0.70; with the sample n = 320 and x = 257. (b) Calculate the test statistic z used in testing Ho: p = 0.50, Ha: p < 0.50; with the sample n = 430 and x = 204. (c) Calculate the test statistic z used in testing Ho: p = 0.35, Ha: p ≠ 0.35; with the sample n = 292 and x = 89. (d) Calculate the test statistic z used in testing Ho: p = 0.90, Ha: p > 0.90; with the sample n = 543 and x = 514.

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

(a) Calculate the test statistic z used in testing Hop = 0.70, Hap > 0.70; with the sample n = 320 and x = 257.


(b) Calculate the test statistic z used in testing Hop = 0.50, Hap < 0.50; with the sample n = 430 and x = 204.


(c) Calculate the test statistic z used in testing Hop = 0.35, Hap ≠ 0.35; with the sample n = 292 and x = 89.


(d) Calculate the test statistic z used in testing Hop = 0.90, Hap > 0.90; with the sample n = 543 and x = 514.
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