Consider the following hypothesis test. H0: p ≥ 0.75 Ha: p < 0.75 A sample of 280 items was selected. Compute the p-value and state your conclusion for each of the following sample results. Use  ? = 0.05. (a) p = 0.67 Find the value of the test statistic. (Round your answer to two decimal places.)   Find the p-value. (Round your answer to four decimal places.) p-value =    (b) p = 0.72 Find the value of the test statistic. (Round your answer to two decimal places.)   Find the p-value. (Round your answer to four decimal places.) p-value =    p = 0.70 Find the value of the test statistic. (Round your answer to two decimal places.)   Find the p-value. (Round your answer to four decimal places.) p-value =    (d) p = 0.77 Find the value of the test statistic. (Round your answer to two decimal places.)   Find the p-value. (Round your answer to four decimal places.) p-value =

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