(a) Calculate the test statistic z used in testing H.: p = 0.70, Ha: p > 0.70; with the sample n = 286 and x = 259.

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Consider the following. (Give your answers correct to two decimal places.)
(a) Calculate the test statistic z used in testing H.: p = 0.70, Ha:p> 0.70; with the
sample n = 286 and x = 259.
(b) Calculate the test statistic z used in testing H.: p = 0.50, Ha: p < 0.50; with the
sample n = 467 and x = 202.
(c) Calculate the test statistic z used in testing H.: p = 0.35, Ha: p # 0.35; with the
sample n = 291 and x = 81.
(d) Calculate the test statistic z used in testing H.: p = 0.90, Ha: p > 0.90; with the
sample n = 531 and x =512.
Transcribed Image Text:Consider the following. (Give your answers correct to two decimal places.) (a) Calculate the test statistic z used in testing H.: p = 0.70, Ha:p> 0.70; with the sample n = 286 and x = 259. (b) Calculate the test statistic z used in testing H.: p = 0.50, Ha: p < 0.50; with the sample n = 467 and x = 202. (c) Calculate the test statistic z used in testing H.: p = 0.35, Ha: p # 0.35; with the sample n = 291 and x = 81. (d) Calculate the test statistic z used in testing H.: p = 0.90, Ha: p > 0.90; with the sample n = 531 and x =512.
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